Additions 2008

7/23/2019 Additions 2008

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AJP AdditionsAJP, 2000

AJP 69(3), 223 water rocket 1N22.20

AJP 68(9), 821 tippe top 1Q60.30

AJP 68(11), 1025 dead and i!e "as 1#$0.10

AJP 68(10), 950 cr%sta &odes 1#50.20

AJP 68(6), 531 c'!ert wisters 325.6*

AJP 68(12), 1139 +'adr'poe nat're o a t'nin- ork 3$6.$5

AJP 68(3), 265 #'cardt/s eperi&ent $10.*5

AJP, 68(12), 108$ e!in water dropper 5A$0.*0

AJP 68(*), 6*0 ener-% stored in a capacitor 530.35

AJP 68(3), 238 '&pin- rin- ana%sis 520.31

AJP 68(9), 869 cro&atic a"erration 6A65.20

AJP, 2001

AJP 69(8), 920 soap i& recipes 4 &eas're&ents 2A15.01

AJP 69(6), *1$ ater 4 esse/s pend''& 3A15.*3

AJP 69(11), 1191 in!erted co'ped pend'a 3A*0.$0

AJP 69(9), 1016 a caotic pend''& 3A95.52

AJP 69(*), **8 pend''& wa!es 310.*5

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AJP 69(12), 1231 opper speaker on air track 3$0.32

AJP 69(3), 311 open t'"e resonance 330.1$

AJP 69(*), *$3 %opone 3$0.10

AJP 69(3), 38* #'cardt/s eperi&ent $10.*5

AJP 69(11), 1205 #'cardt/s eperi&ent $10.*5

AJP 69(1), 50 eectric ci&es 510.30

AJP 69(8), 911 '&pin- rin- ana%sis 520.30

AJP 69(3), 288 radiation ro& a dipoe 5N10.60

AJP 69(2), 110 6A01.60

AJP 69(8), 91* a si&pe intererence scanner 610.18

AJP 69(11), 1166 poariation "% reection 620.10

AJP 69(8), 896 cos&ic ra%s *10.80

AJP, 2002

AJP *0(9), 890 riction 120.10

AJP *0(1), $8 120.10

AJP *0(10), 1056 120.10

AJP *0(5), $82 s'per "a "o'ncin- 1N$0.60

AJP *0(8), 815 tippe top 1Q60.30

AJP *0(2), 18* cr%sta &odes 1#50.20

AJP *0(*), *10 artesian di!er 2$0.30

AJP *0(5), 502 parae pate capacitor 510.20

speed o i-t 7 eectrica&eas're&ent

-ra!itationa we 7 r'""erdiapra-&

-ra!itationa we 7 r'""erdiapra-&

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AJP *0($), $15 ener-% stored in a capacitor 530.35

AJP *0(10), 1052 o&opoar &otor 5$0.53

AJP *0($), $2$ 510.20

AJP *0(6), 595 510.20

AJP *0(8), 829 radiation ro& a dipoe 5N10.60

AJP *0(10), 1056 radiation ro& a dipoe 5N10.60

AJP *0(12), 118$ ra% tracin- wit enses 6A60.20

AJP *0(2), 169 Poisson/s "ri-t spot i&a-er 620.10

AJP *0(6), 620 scatterin- and s'nset 6$0.10

AJP *0 (1), 91 scatterin- and s'nset 6$0.10

AJP, 2003

AJP *1(2), 185 :ec centripeta orce 150.50

AJP *1(*), *15 !aria"e &ass Atwood/s &acine 1;10.$0

AJP *1(11), 1115 stopped pend''& 1<$0.15

AJP *1(10), 1025 ain- ci&ne% 1Q20.50

AJP *1(2), 1*6 itin- pate 220.$0

AJP *1(3), 250 a caotic pend''& 3A95.52

AJP *1(*), 6*8 eat ow in a ter&os $50.10

AJP *1(12), 126$ drinkin- "ird $31.30

AJP *1(12), 125* drinkin- "ird $31.30

AJP *1(6), 568 $10.13

ind'ction coi, &a-net, Pinterace


rownian &otion 7 !ideo&icroscop%

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AJP *1(2), 18$ ow cost a"r%7Perot ca!it% 6$0.5$

AJP *1(5), $52 &icrowa!e poariation 610.20

AJP *1(8), **$ persistence o !ision 6J11.30

AJP *1(9), 9$8 pase oo-rap% 6Q10.01

AJP, 2004

AJP *2(*), 860 inertia "a 120.10

AJP *2(10), 1335 riction "ocks 120.10

AJP *2(12), 1508 coision "as teor% 1N30.1$

AJP *2(12), 1$92 do'"e "a drop 1N30.61

AJP *2(*), 8*5 s'per "a "o'ncin- 1N$0.60

AJP *2(6), **5 spinnin- e-- 1Q60.36

AJP *2(*), 961 !ac''& "aooka 230.*0

AJP *2(8), 1035 e&ot resonators 330.$0

AJP *2(10), 13$5 adni pates 3$0.3$

AJP *2(2), 220 adni pates 3$0.3$

AJP *2(6), *82 drinkin- "ird $31.30

AJP *2(6), 8$3 aco'stic radio&eter $20.1$

AJP *2(5), 662 ener-% stored in a capacitor 530.35

AJP *2(2), 2$3 e!itatin- &a-net 5;50.51

AJP *2(3), 3*6 510.20

AJP *2(5), 6*1 propa-ation in a coa 5N10.30

AJP *2(1), 53 parae &irrors 6A10.$5


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AJP *2(2), 2*9 air wed-e 630.30

AJP *2(2), 15$ *A60.51

AJP *2(2), 23* *50.1$

AJP, 2005

AJP *3(12), 110* stackin- "ocks 1J11.21

AJP *3(9), 812 riction "ocks 120.13

AJP *3(1), 28 s'per "a "o'ncin- 1N$0.60

AJP *3(10), 909 roin- can a" 1Q10.3*

AJP *3(*), 598 !eocit% o e' 210.10

AJP *3(1), 8 -ran'ar p%sics 260.20

AJP *3(11), 10*9 da&ped p%sica pend''& 3A50.$5 AJP *3(3), 283 adni pates 3$0.3$

AJP *3(11), 10$5 &'sica -o"et !ariation 3$0.50

AJP *3 (1), 52 capacitor wit dieectrics 520.11

AJP *3 ($), 36* arka'sen eect 5;20.10

AJP *3(12), 1191 'rie point wit <one &eta 5;50.13

AJP *3(1), 3* =dd% c'rrent t'"es 520.25

AJP *3(10), 986 6$0.$5

AJP *3(12), 1135 ow cost a"r%7Perot ca!it% 6$0.5$

AJP *3($), 35* "irerin-ent iters 635.1*

AJP *3(8), *89 <iikan oi drop *A15.10

&icrowa!e cr%sta diraction&odes

#'terord scatterin- on an airta"e

># ca&era and proectedspectr'&

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AJP *3(9), 8*6 ti&e diation 7 twin parado *10.31

AJP, 2006

AJP *$(1), 82 ain- ci&ne% 1Q20.50

AJP *$(12), 10*1 !ac''& "aooka 230.*0

AJP *$(10), 892 si&pe pend''& "o"s 3A10.13

AJP 55(2), 130 ?ink% wisters 325.51

AJP 55(10), 952 ?ink% wisters 325.51

@P@ 2*(3), 201 wisters 325.55

@P@ 21(9), 605 wisterscirps 325.65

AJP *$(8), *06 en-ineerin- ana%sis o te "rid-e 3A60.12

AJP *$(8), 6** drinkin- "ird $31.30

AJP *$(6), 510 in!erse o'rt aw 7 dipoes 520.$0

AJP *$(9), 815 =dd% c'rrent t'"es 520.25

AJP *$(5), $23 wat rea% appensB *30.26

CHANGES AND CORRECTIONS

2$0.2* can-ed to te oowin- and p't into 2$0.26

P>#A 1000 sip e&pt% and ' 2$0.26

orrected spein-s o Cwie-tC, CseidC, C-raC to Cwei-tC, CsiedC

120.36 an-e CpinC to CpenC.

apitoie a C?ink%C. Dse te o

apitoie a CopperC. Dse te o

5;50.13 apitoie C<oneC

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$50.62 can-ed te description to

620.5* can-ed te description to

*A60.21 can-ed te description to

1Q$0.52 can-ed te description to

220.53 and can-ed te entr% o 1#20.39

re. 220.53 s+'eee te ask 1#20.39

A te oowin- 260.20 and 260.22 entries are now 2$0.85

P>#A 1000 densit% "as in "eans 260.20

@P@ 28(*),500 risin- stones 260.20

4#, 7125 densit% "as in "eans 260.20

AJP *3(1), 8 -ran'ar p%sics 260.20

@P@ 28(2),10$ eans 260.22

isc 12716 densit% "as in "eans 260.20

@e oowin- as "een &o!ed ro& 3$0.25 to 3$0.12

AJP 30($),30* opper speaker pend''& 3$0.12

@e oowin- as "een &o!ed ro& 320.13 to 9$0.21

@P@ 3(*),320 storin- ?ink% 9$0.21

@e oowin- as "een &o!ed ro& 3a60.90 tr' .9$ to 9$0.05

?'t, ?79 &ecanica !i"rator 9$0.05




i, ?7$e <acaaster7P?? osciator 9$0.05

<o!ed 1#20.39to

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@e oowin- as "een &o!ed to 3*0.30

?'t, ?7116 resonance o strin-s 320.35

@e oowin- as "een &o!ed to 330.31.

i, ?7$" t'nin- ork dri!en sono&eter 320.1$

@e oowin- as "een ren'&"ered ro& 332.2* to 332.35

4A, ?e711 CC "aooka 332.35

@e oowin- as "een ren'&"ered ro& 332.30 to 332.15

P>#A 1000 side wiste 332.30

NEW ENTRIES

@P@ 3$(*), $$8 !o'&e reationsip set 1A10.5*

@P@ 35(6), 36$ reea and air resistance 120.18

@P@ 25(8), 505 reea and air resistance 120.18

@P@ 2$(3), 153 reea and air resistance 120.18

@P@ $3(*), $32 reea and air resistance 120.18

@P@ 32(9), 53* +'arters and cards 120.16

@P@ 35($), 199 ?piro-rap 1=20.1*

@P@ 35(3), 182 1=20.1*

@P@ 12(2), 89 eectronic ?piro-rap 1=20.1*

4#, <72$2 toiet paper 120.1$

@P@ 33(1), 28 screw treads 1<20.36

@P@ 35(*), $11 coision "as teor% 1N30.1$

@P@ 33(3), 169 coision "as, 3E1 1N30.21

<ei, 137*.3 1Q$0.53

AJP *0(10), 1025 ='er/s disk 1Q60.25

@P@ $5(*), $30 ='er/s disk 1Q60.25

AJP $0(10), 15$3 spinnin- coin 1Q60.25

@P@ 5(*), 311 cr%stas 7 &irror i&a-es 1#50.2$

o'ca't/s pend''& as a?piro-rap

!ario's de&os 7 an-'ar&o&ent'& conser!ation

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4#, 7305 e-- in a "otte 230.$*

@P@ 33($), 22$ "aoon "aro&eter 235.$5

@P@ 25(1), $8 &eta "oats 2$0.28

@P@ 25($), 2$$

"o'%anc% !s. s'race area

2$0.29

@P@ 36(1), 10 2$0.52

@P@ 2$(3), 16$ densit% o a sot drink 2$0.5*

4#, 7110 densit% o a sot drink 2$0.5*

@P@ 21(5), 325 ris"ee 220.95

@P@ 2$(8), 502 %in- rin-, Aero"ie 220.96

@P@ 2*(5), $06 %in- rin- 220.96

@P@ 16(9), 662 %in- rin- 220.96

@P@ 1*(5), 286 %in- rin- 220.96

@P@ 1$(8), 510 speed o so'nd in water 330.52

@P@ 15(8), $53 speed o so'nd in water 330.52

@P@ 31(6), 3*6 "' wip and towe snap 3$5.61

@P@ $2(*), $18 siren 320.35

@P@ 36(8), 508 320.60

@P@ 28(*), $59 carinet 7 saapone 332.1$

@P@ 23(9), 566 soda straw o"oe 332.18@P@ 13(9), 55* ar&onica 332.30

@P@ 25(2), 98 &'sica strips 7 &'sica r'er 3$0.16

4#, <7900 &'sica strips 7 &'sica r'er 3$0.18

@P@ $3(5), 282 &'sica strips 7 &'sica r'er 3$0.18

@P@ 39(5), 310 t'&" piano 3$0.19

4#, :7$05 so'nd coor or-an 3=20.30

@P@ 26(*), $68 con!ection o a -as 7 eat t'r"ine $20.38

4#, 7230 co'd or&ation "% cooin- $*0.23

AJP *0(1), $2 arnot c%ce $30.96

speciic -ra!it% wit eectronic"aances

increasin- pitc wit decreasin-a&pit'de

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AJP $3(1), 22 arnot en-ine $30.9*

AJP *0(11), 11$3 arnot =n-ine $30.9*

@P@ 31($), 218 eectroreoo-ica i+'ids 510.$5

@P@ 33(6), 3$0 tapered resistors 510.15

@P@ 3*(*), $00 tapered resistors 510.15

@P@ 28(8), 5*0 tapered resistors 510.15

@P@ 3$(5), 2*6 tapered resistors 510.15

@P@ 3$(1), 16 tapered resistors 510.15

@P@ $1(3), 158 ;a'ss Acceerator 7 ;a'ss #ie 5;10.55

@P@ $2(1), 2$ ;a'ss Acceerator 7 ;a'ss #ie 5;10.55

@P@ $0(*), $$0 dia&a-netic -rapes 5;30.35

@P@ $1(2), *5 dia&a-netic water 5;30.$0

@P@ $1(2), 122 dia&a-netic e!itation o -rapite 5;30.$5

AJP 69(6), *02 dia&a-netic -rapite 5;30.50

AJP *0(2), 188 dia&a-netic -rapite 5;30.50@P@ 35(8), $63 dia&a-netic "is&'t 5;30.55

@P@ 28(2), 12$ ied stren-t and -a'ss&eter 510.55

@P@ $0(5), 288 ied stren-t and -a'ss&eter 510.55

@P@ $0(5), 308 &a-netic ieds wit and > cip 510.5*

AJP 5$(1), 89 &a-netic ieds wit and > cip 510.5*

@P@ $5(5), 2*$ 5$0.38

re. o'- Fsero 520.2$

@P@ 38(1), $8pates and &a-nets

520.2$

@P@ 35($), 212 pates and &a-nets 520.2$

@P@ 3*(5), 268 pates and &a-nets 520.2$

@P@ $3($), 2$8 pates and &a-nets 520.2$

@P@ 20(3), 18* de&onstration A circ'it "oard 520.01

orent orce 7 '&pin- wire wit atwist

pates and &a-nets, te Fserode&o.

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@P@ 19(8), 551 A and #<? !ota-es 530.25

@P@ 23(*), $$8 operationa a&piiers 5<10.95

@P@ 25(1), 38 operationa a&piiers 5<10.95

AJP $0($), 638 operationa a&piiers 5<10.95

AJP *3(9), 856 operationa a&piiers 5<10.95

@P@ 28(*), $*$ &icrowa!e o!en standin- wa!es 5N10.5*

@P@ 32($), 199 &icrowa!e o!en standin- wa!es 5N10.5*

@P@ 35($), 231 speed o i-t 7 &icrowa!e o!en 6A01.39

@P@ 35(6), 323 speed o i-t 7 &icrowa!e o!en 6A01.39

@P@ 3$(6), 382 s+'are and circ'ar aperat'res 620.35

4#, F7530 s+'are and circ'ar aperat'res 620.35

@P@$2(2), *6 wire diraction -ratin-s 620.35

@P@ 29(*), $23 oo-rapic or pase -ratin-s 620.23

P>#A oca 630.35

@P@ $1($), 250 &irror and epanded aser "ea& 630.35

@P@ 1*(6), 392 e!aporatin- i& 7 acoo 630.$6

@P@ $6(2), 121 perception 7 sades o -ra% 6J11.56

@P@ 19(8), 56$ 6J11.65

@P@ 20(2), *2 6J11.65

@P@ 33(2), 11* 6J11.65

4#, :7060 6J11.65

@P@ 29(*), $5$

CGanisC a"sorption

*11.22

@P@ $$(9), 618

CGanisC a"sorption

*11.22

air wed-e and epanded aser"ea&

P'ric i'sion 7 P'ricpend''&




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-eoo-ica sa&pes 8A*0.05

@P@ 16(*), $*9 eart+'akes 8A*0.85

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An ar-'&ent or a 15t ra!ais attice.

'!ert wisters are ana%ed wit "ot wa!e and -eo&etrica ra% &odes.

@e c%cin- o te pend''& wa!e patterns arise ro& aiasin-.

Ana%sis o a water rocket to deter&ine te opti&'& a&o'nt o water to 'seto acie!e &ai&'& ei-t.

Aspects o &otion or te tippe top and oter tops wit sperica pe-s areea&ined.

@e coeicient o restit'tion or coisions o app% "a, 'napp% "as, andtennis "as is ea&ined and &odeed.

@e so'nd o a t'nin- ork rotated cose to te ear, and ten at ar&s en-t,is sown to "e tat o a inear +'adr'poe.

#'cardt/s eperi&ent is 'sed to &eas're te "'k &od'i and ratio ospeciic eats or ei-teen -ases wit ato&icit% ran-in- ro& 1 to 12.

Fpti&iin- te e!in water dropper "% 'sin- a cond'ctin- rod on te ais ote car-ed rin-. A si&pe eperi&ent tat -i!es reia"e &eas're&ents.

A disc'ssion o te p'e o te &issin- ener-% in a capacitor tat iscar-ed ro& a power s'pp%, "atter%, or anoter capacitor, wit neiterresistance or ind'ctance in te circ'it.

<eas're&ents o te pase dea% o te c'rrent and orce on a oatin- rin-were peror&ed or pase an-es ro& 12 de-rees to 88 de-rees.

ow to proect cro&atic a"erration in a ar-e ect're cassroo& 'sin- ano!eread proector and anoter -ass or resne ens.

=peri&enta &eas're&ents o press're can-es inside a "'""e or twodierent soap so'tions. ?'race tension is ten cac'ated 'sin- te Ho'n-7apace e+'ation.

A esse pend''& is 'sed in te a"orator% and &eas're&ents o te ocaacceeration o -ra!it% &ade to an acc'rac% o 1 part in 10,000. P%sicaprincipes 'nder%inte ater pend''& as we as esse/s reine&ent areaso re!iewed.

:eak% &a-netica% co'ped pend'a are st'died eperi&enta%,co&p'tationa%, and teoretica%.

A ceap &a-netica% dri!en caotic pend''& is ana%ed wit dataac+'isition e+'ip&ent.

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@e "asic p%sics o %opone and &ari&"a "ars.

isc'ssion on ow to teac a"o't radiation ro& a dipoe antenna.

eter&ination o te speed o i-t 'sin- an # circ'it.

<eas'r&ents o reected i-t wit an interace and i-t sensor.

A -'ide to te iterat're on te 'nda&enta or-ins o riction.

Additiona co&&ents on AJP *0(1), $8.

;eo&etric teor% o rapid% spinnin- tops, tippe tops, and oot"as.

irect ac+'isition o opper sited so'nd intensit% as a 'nction o ti&e'sin- a co&p'ter so'nd card.

<eas're Q o an open ended t'"e "ein- dri!en "% a speaker set so&edistance awa%.

#'cardt/s eperi&ent is 'sed to &eas're te ratio o speciic eats or air'sin- co&p'ter data ac+'isition sensors.

#'cardt/s eperi&ent is 'sed to &eas're te ratio o speciic eats or air'sin- a -rapic cac'ator, interace, and sensors.

rankin/s es are 'sed to de&onstrate and &eas're car-e transport inte a"orator%.

A '&pin- rin- apparat's powered "% a capacitor "ank is needed or a en/saw ana%sis.

An intererence and diraction scanner "ased on a 10 c& on- inearpotentio&eter.

<eas'rin- and &odein- cos&ic ra% sowers wit a &icroco&p'ter7"aseda"orator% s%ste&.

<eas're&ent o te sape tat res'ts wen a ea!% "a is paced 'pon aat r'""er seet. Aso ana%es te or"its o &ar"es and coins as te% roacross te s'race.

<eas'rin- te orionta coeicient o restit'tion or a s'per"a and a tennis"a.

o&&ents on AJP 68(10), 950 and w% tere is no need to in!oke a 15tattice t%pe.

A st'd% o an osciatin- artesian di!er at constant press're. >t sinks i teosciation -ets too ar-e.

eter&ination o te eectric ied o'side a parae pate capacitor andco&parison to te &a-netic ied o'tside a on- soenoid.

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An ar-'&ent or te reati!eistic !iewpoint or a o&opoar &otor.

orrections to AJP *0(8), 829.

@e center o &ass correction or te 's'a centripita orce apparat's.

?and owin- ro& a "otte &akes or a !aria"e &ass Atwood/s &acine.

Q'antitati!e ana%sis o te e!itation o a ar-e at pate.

@e p'e o te &issin- ener-% in a capacitor tat is car-ed ro& anotercapacitor. >n a ero7resistance cird'it it can "e sown tat radiation acco'ntsor te ener-% oss.

A &a-net osciatin- tro'- a coi attaced to a P interace. >nd'ction orda&pin- can "e acc'rate% potted.

@e o"ser!ed !ota-e is co&pared to tat predicted "% si&pe cac'ationswen treatin- te &a-net as an idea dipoe and te coi as a!in-ininitesi&a% tin windin-s.

@e &etod o AJP 69(3), 288 is etended to treat te reception andscatterin- o eectro&a-netic pane wa!es "% si&pe wire antennas.

A ra% tracin- approac to tin ens ana%sis. @is ra% tracin- approacacco&&odates skew ra%s pro!idin- a &ore co&pete ana%sis.

@e Poisson "ri-t spot apparat's 'sin- wite i-t is &odiied to o"taini&a-es o o"ects paced in te i-t pat.

An a"sorption spectropoto&eter is 'sed to &eas're te wa!een-tdependence o i-t scatterin- ro& s&a speres s'spended in water.

<eas'red !a'es are co&pared to !a'es predicted "% te #a%ei- and <ieteories.

An o"ser!ation o <ie scatterin- "% 'sin- po%st%rene &icrosperes odierent dia&eters. ierent dia&eters -i!e dierent coors.

@e period o te interr'pted pend''& is i-% nonisocrono's i te

interr'ption is not ocated on te &ain !erticas ais tat contains te point ote s'spension.

?&a scae to% &odes are 'sed to reprod'ce te d%na&ics o te ain-ci&ne%.

A co&&ercia% a!aia"e caotic pend''& connected to an interace. Dsedto st'd% noninear d%na&ics inc'din- te deter&ination o Poincaresections, racta di&ensions, and %ap'no! eponents.

<eas're&ents and &odein- o te te&perat're can-e in a ter&os ' oice cod water as a 'nction o "ot ti&e and position in te ter&os.

<eas're&ents on te drinkin- "ird s%ste& wic as te "od% eatedinstead o te ead "ein- cooed "% e!aporation.

<eas're&ents and &odein- o te drinkin- "ird s%ste& wit te ead "ein-cooed "% e!aporation. @e eect o '&idit% is aso sown.

<eas'rin- ot&ann/s constant 'sin- !ideo &icroscop% o rownian &otiono po%st%rene speres in water.

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A ow cost scannin- a"r%7Perot ca!it% or aser eperi&ents.

Q'antitati!e ana%sis o ow te strin-s "reak in tis de&onstration.

A "iiard7teoretic approac to ee&entar% one di&ensiona eastic coisions

@e kine&atics o a s'per"a "o'ncin- "etween two !ertica s'races.

'rter st'd% and res'ts or te two7capacitor pro"e&.

onstr'ction o a strip -ratin- tat can con!ert a inear% poaried panewa!e into one tat is circ'ar% poaried.

A &ate&atica description o te #o-et >'sion and anortoscope. ?i&pede!ices are sown.

A &ate&atica description o tick oo-ra& recordin- and pa%"ack is -i!en'sin- a "asic wa!e ront representation.

:% tis eperi&ent -i!es inconsistent res'ts and a ook at so&e o teactors tat contri"'te to tose res'ts.

A ook at te co&picated &o!e&ent o te "as at te irst coision and"e%ond.

=a&ines te "ea!ior o spinnin- e--s and te +'estion o wic end wirise.

An ana%sis o te !ac''& cannon and te teoretica &ai&'& !eocit% teproectie can attain.

?o&e e&ot resonators are &eas'red or te +'ait% actor Q and teres'ts are co&pared to te co&p'ted teoretica !a'es.

;rains o sat and sat d'st are 'sed at te sa&e ti&e. @e -rains coect at

te noda ines wie te d'st coects at te antinodes.?o&etin- a"o't nonde-enerate nor&a7&ode do'"ets in !i"ratin- atcirc'ar pates.

A drinkin- "ird s%ste& tat o"tains ener-% ro& te e!aporation o water, "'tis not a eat en-ine.

onstr'ction o a si&pe aco'stic radio&eter tat F=? rotate "% radiationpress're.

>n!esti-ates w% a c%indrica per&anent &a-net rotates wen e!itateda"o!e a s'percond'ctor.

A &a-net osciatin- tro'- a coi attaced to a P interace. Dse tis toin!esti-ate en/s aw and te conser!ation o ener-%.

<eas'rin- te speed o radio wa!es aon- a o&e&ade coaiatrans&ission ine.

@e coor o te o"ect "eco&es darker and -reener i co&&on second7s'race pane &irrors are 'sed.

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ow a non7ais%&&etric distri"'tion o &ass &a% -i!e a aster roin- can.

A da&ped p%sica pend''& is &eas'red wit a data ac+'isition s%ste&. Additiona co&&ents on AJP *2(10), 13$5.

Anoter ow cost scannin- a"r%7Perot ca!it% or aser eperi&ents.

ow cost "irerin-ent iters constr'cted ro& ceopane tape.

@e !isi"iit% o te intererence rin-es can "e increased "% repacin- te-ass pates wit one7wa% &irrors. <eas're&ents done wit an FceanFptics spectro&eter.

Dse rods to &ake te &ode cr%sta attice. Dse a co&p'ter interace to&eas're te diracted intensities.

Dse &a-nets and a rin- o a switces to deter&ine te orce aw ro&scatterin-.

@ree dierent wa%s to stack "ocks to -i!e te &ai&'& a&o'nt oo!eran- wit a -i!en a&o'nt o "ocks.

A ook at w% te coeicient o riction &i-t increase wit an increase insidin- speed or certain &aterias.

@e "o'nce o "as and s'per"as in tree di&ensions. ooks at re"o'ndswit and wito't sidin-, and te -rip "ea!ior o s'per"as.

A st'd% o te draina-e o a c%indrica !esse 'sin- !ideo capt're so tatstrea& traector% !s. water ei-t can "e potted.

A istin- o reerences on te oowin- topicsE Packin-, An-e o #epose, A!aances and ;ran'ar ow, oppers and Ja&&in-, Gertica% Gi"rated>nd'ced Peno&ena, A!aance ?tratiication, and Aia ?e-re-ation.

A &ode to co&p'te te re+'enc% sit o te sin-in- wine-ass wen wateris added.

Dsin- a parae pate capacitor to deter&ine te dieectric constant odierent &aterias.

A arka'sen de&onstration were te noise is con!erted to a !ota-e tatis &onitored wit a data ac+'isition s%ste&.

F"ser!inte %steresis oop o <one $00 as its te&perat're is increasedtro'- its 'rie point.

i&ensiona ana%sis is 'sed to ana%e te de&onstation o te &a-netain- tro'- te copper t'"e.

ookin- at dierent o"ects and te spectr'& wit a we"ca& tat as te >#iter re&o!ed.

P't a eca& o!er te e%epiece o te <iikan oi drop apparat's and do!ideo ana%sis o te eperi&ent res'ts.

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An epicit or&'a or dierentia a-in- ro& acceeration.

o&&ents on AJP *1(10), 1025.

A'di"e wisters ro& a ?ink%.

A correction to AJP 55(2), 130.

Prod'cin- wisters in a stretced sprin- tat is tapped wit a penci.

, and C;raaC. Dse te onine searc en-ine to ind tese.

ine searc en-ine to ind tese.

ine searc en-ine to ind tese.

?i&'ations and &eas're&ents o te sock wa!e tat is prod'ced "% tePin-7Pon- "a acceerator.

An acc'rate or&'a or te period o a si&pe pend''& osciatin- "e%ondte s&a an-e re-i&e.

ow te wister is prod'ces "% i- re+'enc% so'nd arri!in- "eore te owre+'encies.

A p%sica &ode or te ai're o te @aco&a Narrow "rid-e.o&p'tationa, eperi&enta, and istorica data s'pport te &ode.

@e &otion and te&perat're o te drinkin- "ird are &onitored to deter&inete +'antitati!e istor% o its &otion o!er ti&e and to deter&ine teter&od%na&ic and &ecanica constraints on its peror&ance.

@e paper etends pre!io's work on te in!erse o'rt aw dipoe7dipoeorce "% 'sin- te &ore power' rare eart &a-nets.

A cac'ation is presented tat +'antitati!e% acco'nts or te ter&ina!eocit% o a &a-net ain- tro'- a copper or a'&in'& t'"e.

A new ook at te rank7ert eperi&ent re!eas so&e s'rprisin- data. @eres'ts contradict te 's'a ass'&ption tat te spacin-s "etweens'ccessi!e &ini&a or &ai&a are e+'a.

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toE

?ee 220.53 or a de&o o stress and easticit% o a -ass ask or "otte.

A pin- pon- "a wi rise and a stee "a wi sink in a "otte o saken "eans.

?win- an earpone dri!en "% an a'dio osciator s'spended as a pend''&.

?tore a ?ink% aro'nd a I6 dr% ce.

o&&ercia &otor dri!en &ecanica !i"rators are a!aia"e.

A !i"rator o ied period is &ade ro& a cock &otor.

An apparat's or &an% de&onstrations in &ecanica resonance.

P't a ot &eta o"ect in a s&oke i ed proection ce and a cear space wiappear aro'nd te &eta o"ect ca'sed "% te radio&etric rep'sion o tes&oke partices. on!ection wi ca'se te cear space to etend 'pward.

?e!en 22 sides, eac containin- o'r sa&pes 'sed to st'd% te si&pea'e approac to diraction "% cr%stas. :inner o te 19*3 AAP@ apparat's

co&petition.

irect a aser "ea& tro'- two &o'nted &ess in series. F"ser!e patterno diraction "% two panes o &es, anao-o's to a'e pattern in 7ra%sres'tin- ro& diraction "% two panes o ato&s.

Ho' read tis one. (> %o' aren/t into Pi Jonson/s '&or it "eco&esE Asi&pe &ecanica s%ste& wose &o&ent'& is part% an-'ar and part%inear).

#isin- o rocks in te sprin- is te sa&e as te sitin- o ine partices to te"otto& o a cerea "o.

A istin- o reerences on te oowin- topicsE Packin-, An-e o #epose, A!aances and ;ran'ar ow, oppers and Ja&&in-, Gertica% Gi"rated>nd'ced Peno&ena, A!aance ?tratiication, and Aia ?e-re-ation.

@e sie o an a'&in'& "a deter&ines weter it -oes 'p or down in asakin- "ow o "eans.

A pin- pon- "a in te &idde o a "eaker o "eans wi rise wen te "eakeris saken.

A ?< dri!er can "e &ade ro& a od tr'ck %wee on "earin-s attaced toa crank.

A ea!% pend''& on a knie ed-e can "e 'sed to -enerate orionta&otion o periods ro& 1 to 10 seconds.

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A 1.31$ & "rass t'"e so'nds te note CC wen "own wit te ips.

Fn te acc'rac% o co&p'tin- te acceeration o ree a in air.

An eectronic circ'it tat sows C?piro-rapC patterns on an oscioscope.

@oiet paper 'nros i p'ed sow%, "'t "reaks i p'ed or erked.

ow to teac a"o't Newton/s crade 'sin- scientiic epanation.

Non cac''s treat&ent o a spinnin- disk on a s&oot s'race.

<irror i&a-es and s%&&etr% in cr%stas and p%sics.

A t'nin- ork is ed a-ainst a tree strin- sono&eter wit one strin- t'ned tote ork re+'enc%. Fn% te t'ned strin- wi !i"rate.

Pace a t'nin- ork on te "rid-e o a t'ned sono&eter and o"ser!e te&otion o a s&a piece o paper paced on te wire at its center.

@e reationsip "etween te !o'&es o a cone, c%inder, c'"e, p%ra&id,rectan-'ar pris&, and spere, a o e+'a dia&eter and ei-t is epored.Fr, take two cone t%pe c'ps, c't one to a ei-t, and deter&ine ow &an%s&a c'ps o water it takes to i te 'nc't c'p.

Gideo capt're to st'd% te eect o air resistance on a !ariet% o o"ects inreea and in two di&ensions.

A ar-e i-t o"ect is dropped ro& a ei-t o 3 &eters. Poto-ates are'sed to &eas're te speed o a.

Air resistance actin- on a spere ana%ed wit n'&erica ana%sis, stro"epoto-raps, and !ideotapes. @e spere is a Pin-7Pon- "a.

A +'arter is attaced near te ed-e o a notecard. Anoter +'arter isattaced to te center o anoter notecard. ot are dropped si&'taneo's%ro& te sa&e ei-t.

A C?piro-rapC to% 'sed to -enerate a pict're o te &otion o a o'ca'tpend''&.

ow a o'ca't sand pend''& creates te sa&e patterns as a C?piro-rapCto%.

ow te tor+'e re+'ired to co&press a sprin- is dierent wen 'sin- aco'rse tread !ise !s. a ine tread !ise.

@e stran-e case o coisions "etween "as wit &asses in te ratio o 1 to3.

A pie pate or disk s'spended "% tree treads. At its center is attaced ascrew tat aows a wei-t on "a "earin-s to descend and to'c te pate.> te pate is rotated te proper n'&"er o t'rns "eore te wei-t isreeased, te woe s%ste& co&es to a stop wen te wei-t &eets tepate.

A ook at te &otion o a spinnin- disk on a s&oot s'race. oes te disksip d'rin- its &otion.

Dnderstandin- te spinnin- coin "% ookin- at te standard treat&ent o top&otion.

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A press're indicator &ade ro& a "aoon and a 2 iter soda "otte.

:% do &eta "oats oatB

indin- te speciic -ra!it% o o"ects 'sin- an eectronic "aance.

ans o re-'ar oke and Pepsi sink, diet Pepsi and diet oke oat.

F ris"ees, can ids, and -%roscopic eects.

A description and te aerod%na&ics o te Aero"ie %in- rin-.

:% does a c%indrica win- %B Aso constr'ction detais.

<ore on te %in- c%inder.

A cassic eperi&ent tat &eas'red te speed o so'nd in water.

<ore on te cassic eperi&ent in @P@ 1$(8), 510

Pict'res, 'nctions, and caracteristics o t%pica de&onstration sirens.

ow to &ake a soda straw o"oe.@e ar&onica as an a'dio re+'enc% -enerator.

ri!e te acksaw "ade wit an eectro&a-netic coi.

?adi arnot on arnot/s teore&.

A it &atc is p't into a &ik "otte and a ard"oied e-- p't on te &o't ote "otte. @e e-- is p'sed into te "otte "% at&osperic press're.

A "ock wit a rock or &eta c'"e tied to te top oats in water. <eas're tewaterine on te "ock. Now t'rn te "ock o!er so tat te rock is in tewater 'nder te "ock. @e waterine is ower (te "ock oats i-er)"eca'se o te increase in s'race area s'ppied "% te rock.

ans o re-'ar oke sink, cans o diet oke oat. :i not work wit pastic"ottes.

A %in- rin- tat is trown ike a oot"a. escription and constr'ctiondetais.

@e a'di"e crack o a "' wip or snapped towe is prod'ced wen te tip"reaks te so'nd "arrier.

='er/s disk, "'in- &a-nets, and -ass "ottes tat are -ent% str'ckto-eter de&onstrate an increasin- a'di"e pitc wit te decrease in &otiona&pit'de.

ow to &ake a PG carinet ro& a carinet &o'tpiece and PG pipe. Asoso&e disc'ssion on !ario's scaes.

od or ca&p one end o a &eter stick to a ta"e and !i"rate te oter end. A -rap o te re+'enc% !s. te en-t o te &eter stick can "e o"tained.

a&p one end o a acksaw "ade to a ta"e and set te oter end to!i"ratin-. An a'di"e so'nd is prod'ced wit an increase in re+'enc% wit ared'ction o te !i"ratin- en-t.

escription and ana%sis o a t'&" piano aso known as a &"ira or kai&"a. Aso pict'res and ana%sis o <aro%e/s arp.

A kit tat is "asica% a ow7&id7i- crosso!er wit te o'tp't o eac ran-econnected to a dierent coored i-t. >n tis case, ow re+'encies to a redi-t, &id7ran-e re+'endies to a -reen i-t, and i- re+'encies to a "'e

i-t.

ow to &ake a s&a t'r"ine rotator tat wi t'rn wen paced a"o!e a eatso'rce.

Pace war& water in a cear container. ose wit ?aran wrap and pace icec'"es on top o te wrap. ondensation wi coect on te 'nderside o tewrap, and o!er ti&e a co'd wi or& in te container.

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@e eicienc% o a arnot en-ine at &ai&'& power o'tp't.

@e eicienc% o nonidea arnot en-ines wit riction and eat osses.

@apered resistors &ade wit a I 1 penci.

@e&perat're proie o te 'race test strip.

oes a test strip &eas're !ota-e or c'rrentB

<ore co&&ents on AJP 69(6), *02.

<eas'rin- te ieds o disk &a-nets wit a o&e&ade > cip pro"e.

<eas'rin- &a-netic ieds wit and > cip pro"e in te introd'ctor% a".

%indrica neod%&i'& &a-nets roin- down an a'&in'& incine.

A i+'id wose !iscosit% is aected "% eectric ieds. >n tis case a &it're ocorn starc in !e-eta"e oi. et tis r'n o't o te "otto& o a 'nne. rin-a car-ed rod cose to te "otto& o te 'nne and te ow stops.

#esistors wose resistance per 'nit en-t !aries aon- te resistor.o&&on% o'nd on "atteries as te Ctest stripC or ceckin- te "atter%/s!ota-e and in so&e co&p'ter appications.

<ore a"o't te i+'id cr%sta tester tat co&e on "atteries or wit "atter%packs.

A ;a'ss rie &ade ro& $ s+'are neod%&i'& &a-nets and 516 inc "a"earin-s. @e ener-% ana%sis sows te can-e in potentia ener-% o terie as a 'nction o te acc'&'ated dispace&ent o te "a "earin-s.

A ;a'ss acceerator &ade ro& sperica &a-nets and "a "earin-s.<eas're&ents o "ot te can-e in potentia ener-% and te can-e inkinetic ener-% are presented.

F"ser!e te dia&a-netic or para&a-netic properties o co&&on ite&s s'cas -rapes, rosin, sat, a'&in'& oi, etc., 'sin- a a neod%&i'& &a-net anda sensiti!e pi!ot.

o!er a neod%&i'& &a-net wit a"o't 1 && o water in a petri dis. @edia&a-netis& o water can "e easi% o"ser!ed.

A dia&a-netic e!itator 'sin- $ or 9 7 one a inc s+'are neod%&i'&&a-nets and a tin s+'are o p%roite -rapite.

isc'ssion and ana%sis o co&&ercia and o&e&ade dia&a-netice!itators. @e e!itators a a!e te "asic desi-n o e!itatin- a s&aneod%&i'& &a-net "etween two sa"s o -rapite.

Pace a "is&'t sa&pe on an eectronic "aance. @e "aance wi sow apositi!e C&assC wen a neod%&i'& &a-net is "ro'-t near te top.

A &ecanica de!ice or &eas'rin- te &a-net ied o s&a per&anent&a-nets.

@e &a-netic ied aon- te ais o a on- inite soenoid &eas'red wit a-a'ss&eter.

@e orent orce on a c'rrent carr%in- wire si t'ated in a &a-netic ied.e&onstrates a sow !ar%in- aternatin- c'rrent "% &eans o an optica e!er.

rop a ar-e dia&eter neod%&i'& &a-net on a copper pate. @en coo tepate wit i+'id nitro-en and see wat appens.

e&onstratin- en/s aw wit a'&in'& and wooden pates on an incinewit stron- c%indrica &a-nets.

en/s aw wit &one% and a neod%&i'& &a-net. Dse a'&in'&, copper,nicke, si!er, and inc coins.

oat an a'&in'& can in water. @'rn and "rake it wit a neod%&i'& &a-neton a strin-.

A si&pe de&onstration "oard wit , #, , ee&ents and "od sce&aticstat are easi% !isi"e in te cassroo&.

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<eas'r&ents and de&onstrations wit operationa a&piiers.

=e&entar% 'nctions in!o!in- operationa a&piiers.

A circ'it or inte-ration wit an operationa a&piier.

?tandin- wa!es in a &icrowa!e o!en "% eatin- rea& o :eat.

orrection to @P@ 35($), 231.

@e &akin-, caracteristics, and 'ses o oo-rapic -ratin-s.

<ore co&&ents on @P@ 19(8), 56$.

<eas're across a 120 !ot a&p si&'taneo's% wit a di-ita !ot&eter andan oscioscope. @e di-ita !ot&eter wi read 120 #<? !ots wie teoscioscope wi sow a"o't 1*0 !ots peak to peak. Fr co&pare te i-nition !ota-e or a neon a&p to te A #<? !ota-e.

A si&pe er&i7irac inte-ratin- circ'it wit an op a&p to &onitor te o'tp't!ota-e.

?tandin- wa!es in a &icrowa!e o!en are &eas'red 'sin- co"at coridepaper.

Pace a a%er o &ars&aows in te &icrowa!e o!en. eat te&ars&aows 'nti ot spots appear. <eas're te distance "etween otspots to -et te wa!een-t o te &icrowa!e. #e&e&"er te ot spotseparation so'd "e distances o wa!een-t2. ac'ate te speed oi-t.

Dnior& circ'ar oes sa!a-ed ro& non7aeroso air spra% "ottes -i!edistortion ree circ'ar rin-es.

Giew te diraction pattern o s+'are oes or te center o a do'"e ed-edraor "ade.

:ire diraction -ratin-s &ade ro& "rass "ots and I $0 or I $3 "are copperwire.

An epanded aser "ea& is reected o o two pieces o pate -ass edto-eter.

An epanded aser "ea& sines onto a "ack s'race &irror. #eections ote ront -ass s'race and te si!er coated "ack s'race o te &irrorprod'ce ar-e intererence patterns.

?ow an intererence pattern "% sinin- an epanded aser "ea& on anin!erted test t'"e. Po'r acoo o!er te test t'"e and watc te rin-es sitwit a deinite !eocit% as te acoo e!aporates.

A -ra% "o paced partia% o!er a "ack "ack-ro'nd. @e part o te "oinside te "ack "ack-ro'nd ooks darker tan tat o'side te "ack"ack-ro'nd, especia% i a penci is paced across te intersection.

A pend''& is swin-in- in a pane "'t appears to a!e an eiptica or"it i!iewed wit a iter o!er one e%e.

A pend''& is swin-in- in a pane "'t appears to a!e an eiptica or"it i!iewed wit a iter o!er one e%e.

A pend''& is swin-in- in a pane "'t appears to a!e an eiptica or"it i!iewed wit a iter or tin transparent i& o!er one e%e.

?ine a e7Ne aser and a soid state aser e&ittin- at 6*0 n& tro'- aso'tion o Ganis. @e e7Ne aser i-t wi "e co&pete% a"sor"ed wiete soid state aser i-t wi pass tro'-.

?ine a e7Ne aser and a soid state aser e&ittin- at 6*0 n& tro'- aso'tion o Ganis. @e e7Ne aser i-t wi "e co&pete% a"sor"ed wiete soid state aser i-t wi pass tro'-.

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Assort&ents o rocks, &ineras, or -e&stones.

?t'dent participation in P7wa!e and ?7wa!e de&onstrations.

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