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8/9/2019 Mcs Ta Science Misconceptions
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Science is built up offacts, as a house is built of
stones; but an
accumulation of facts is nomore a science than a
heap of stones is a house.
Henri Poincare (1854-11!"
Science an# h$pothesis(1%5"
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&h$ 'irfoils &or
)ernoulli *s +eton
+ee#less to sa$, the #isareement is mo#ern;
airfoils #i# not eist in +eton or )ernoulli/s time
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&h$ 'irfoils &or
+eton supporters sa$01. n or#er for the airfoil to o up,
air must be re#irecte# #on (2r#
3a of otion".!. herefore, the anle of attacis important because air thathits the bottom of the in ets
bounce# #on.2. (6nstate#" he top of the in
pla$s no role.
76
76,)6
3SS
H'+ H'39
H S:7
9'3S
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&h$ 'irfoils &or
)ernoulli supporters sa$01. he air is re#irecte# up on top of
the in.
!. hat air tra*els a loner #istance.2. he air must come bac aroun# to
meet the air on bottom in the same
time.
4. herefore the air on top tra*els
faster
5. )$ )ernoulli/s e
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&h$ 'irfoils &or
he truth is that the 2r#
3a of otion an# the)ernoulli ffect are both rele*ant.
t is true that air is force# #on (#onash",but this is mostl$ #ue to a spee#in up of
the air on top of the in, hich is a)ernoulli ffect phenomenon.
he effect is so
pronounce#, that airpassin o*er the in
actuall$ passes aroun#
the in in a shorter time
than air passin un#er the
in.
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&h$ 'irfoils &or
t shoul# be note# that ins are three#imensional ob@ects.
he #onash is stronest near the bo#$of the plane an# eaest at the
intips.
his effect pro#uces*ortices in the
#onashmore info:
http://www.av8n.com/how/htm/airfoils.html
http://www.av8n.com/how/htm/airfoils.htmlhttp://www.av8n.com/how/htm/airfoils.htmlhttp://www.av8n.com/how/htm/airfoils.html8/9/2019 Mcs Ta Science Misconceptions
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he ?orilois ffect
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he ?oriolis 9orce
&hen eplainin #rainin sins, tubs,
an# toilets, the influence of the
?oriolis 9orce is *er$ small.
he shape of the bol, the location ofthe #rain, an# ho the bol is fille#
#etermine the #irection hich ater
flos out of e*er$#a$ ob@ects.
httpBCC.ems.psu.e#uCDfraserC)a#C)a
#?oriolis.html
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instein Sai# t
)eare of the ar ain
ffect. Sa$ins are
sometimes attribute# to a
person ho is thouht to
be itt$, ise or ho is
alrea#$ etensi*el$
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instein Sai# t
&hich of these cannot be foun# amoninstein/s ritinsF source: The Quotable Einstein, edited byAlice Calaprice
1. maination is more important thannole#e.
!. 9e people are capable of epressin ithe
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instein Sai# t
f $ou are reall$ intereste# in hatinstein sai#, recommen#B
'lbert instein, 1#eas an# :pinions
f $ou are onl$ intereste# in
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&eihtless in space
're astronauts eihtless hen
the$ are in orbit aroun# the arthF
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' icrora*i*t$ n*ironment
'n 'stronaut/s eiht is #efine#as the ra*itation force actinbeteen the astronaut an# the
earth. 6sin +eton/s 3a of 6ni*ersal
>ra*itation, the eiht of a
% (15% lb" astronaut orbitin at4%% m is 121 lb (88I of hisChereiht on arth"
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he 'ppearance of
&eihtlessness
'stronauts appear to be
eihtless because, @ust lie the
spaceship the$ are in, the$ are in
freefall.
f ra*it$ stoppe# in space, ho
coul# the arth/s moon influence
the ocean/s ti#esF
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arth
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sunami Pre#iction
sunami #etection is possible, but arra$sof such s$stems are *er$ epensi*ean# ma$ not be orth the cost in alloceans.
Ei# $ou no that the Sumatraearth
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&e onl$ use 1%I
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6sin our brains
&e use 1%%I of our brains.
Eifficult to trac #on the source
of this number.
his number is often reference#
hen eplain the Supernatural
abilities of ps$chics
httpBCC.csicop.orCsiC%2Cten-
percent-m$th.html
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ntellient Eesin an# *olution
$th L1B ntellient Eesin is a unitar$i#ea.
7ealit$B t can be0
1. he attempt to cast #oubt one*olution.
!. he h$pothesis that empiricale*i#ence eists that the uni*erse as#esine# supernaturall$ an# #i# nothappen naturall$.
2. he reliious con*iction that thenatural processes of the uni*ersemust ha*e been #esine#.
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ntellient Eesin an# *olution
$th L!B here are #oubts about e*olution.
7ealit$B t is the most basic assumption ofall biolo$.
1. t is not @ust a theor$.!. >enetic utation is an obser*able fact.
2. Selection is an obser*able fact.
4. hat >enetic utation an# Selectioncan pro#uce ne species is anobser*able fact.
5. t is not @ust sur*i*al of the fittest.
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$th L2B mpirical e*i#ence eists that theuni*erse as #esine#.
7ealit$B he aruments cannot be base# onempirical e*i#ence.
1. ?atch-!!. :ne coul# arue it both a$sB iflife is unliel$ then it taes the supernaturalto eplain it. f it is liel$, then the uni*erseas #esine# to ha*e life.
!. 3ielihoo# aruments assume that e nothe intentions of the #esiner. his becomescircular.
2. 3ielihoo# aruments assume e no theprobabilit$ space of the parameters that o
into #esinin a uni*erse.
ntellient Eesin an# *olution
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$th L4B )elief in ntellient Eesin an#*olution are mutuall$ eclusi*e.
7ealit$B an$ fols belie*e both.
*olution is base# on ph$sical e*i#encealone. ntellient Eesin oes be$on#the ph$sical e*i#ence, an# science alonecan neither confirm nor refute it.
hus there is no contra#iction in belie*inthat *olution (or >ra*itation or Guantumlectro#$namics" coul# ha*e been#esine# to be the a$ it is.
ntellient Eesin an# *olution
more info atBhttpBCC.mrmont.comCi#csie*eCempirical#oubts.html
http://www.mrmont.com/idcsieve/empiricaldoubts.htmlhttp://www.mrmont.com/idcsieve/empiricaldoubts.htmlhttp://www.mrmont.com/idcsieve/empiricaldoubts.html8/9/2019 Mcs Ta Science Misconceptions
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nternational Protocols
he$ can or.
?ase in pointB he oJone la$er is noloner thinnin an# ma$ ha*e
impro*e# at mi#latitu#es
source: Chemical & Engineering News, $eptember !, 2!, p. "%
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>lobal &arminSome ha*e arue# that the arth is not
armin, an# e*en if it is, it is a naturalprocess.
'lthouh there as some #oubt a #eca#e ao,
there is no #oubt no that the arth isarmin up.
9urthermore, recent statistical anal$sis no
shos that it is almost certainl$ our burninof fossil fuels that is the cause.
Here is some #ata from @ournals rea#...
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>lobal &armin >lobal a*erae surface air temperature rise since 1%%B
1.!M to !.4M 9 (all metho#s of measurement aree" ith afurther increase of !.5M to 1%.4M 9 epecte# b$ the en# of
the centur$.
he 11 armest $ears since instrumental recor#s ha*e
been ept ha*e all occurre# since 1%.
he armin obser*e# in the +orthern Hemisphere hasbeen reater than an$ other #urin the past 1%%% $rs.
ncrease# clou# co*er an# precipitation has been
obser*e# at the mi# to hih latitu#es in the +orthern
Hemisphere, as ell as #ecreases in precipitation in the
subtropics. Sea le*els are up 1% to !% cm from thermal epansion
an# meltin laciers.
'rctic temperatures ha*e risen faster than an$here on
the planet; perennial ice is #ecreasin at a rate of 2I
per #eca#e. $ource: &Climate Change' Chemical ( )ngineering News, *ecember "!, 2%
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>lobal &armin
he arth is no absorbin %.85 N %.15
&Cm!more ener$ from the sun than it
is emittin, accor#in to precise
measurements of ocean heat contento*er the last 1% $rs.
Eue to the thermal inertia of the
oceans, #rasticall$ re#ucin ?:!emissions to#a$ ill not result in are*ersal of the armin for some time.
$ource:
&)arth+s )nergy mbalance: Confirmation and mplications'
$cience-press.org online version of Science April 28, 2!
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>lobal &armin1. Precise ocean temperature
measurements ha*e rule# out solar
*ariabilit$ an# *olcanic eruptions as
causes of the armin.
!. he same rise in ocean temperatureis accuratel$ pre#icte# b$ climate
mo#els hich assume human
enerate# ?:!forcin.
$ource:
&0enetration of 1umannduced 3arming into the 3orld+s 4ceans'
$cience-press.org online version of Science 5une 2, 2!
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>lobal &armin
7api# climate chane is possible,accor#in to both eoloical
recor#s an# climate mo#els.
7api# coul# mean #eca#es.
he +orth
'tlantic
?irculation
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>enetics of $e ?olor
he ol# mo#el ha# onl$ oneene ith to allelesB blue(recessi*e" an# bron(#ominant".
he current mo#el assumesto enesB ) ! ith toallelesB bron an# blue, an#
> ith to allelesB bluean# reen.
)ron is #ominant o*er reen
hich is #ominant o*er blue.
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>enetics of $e ?olor
here is simulation of the mo#el
online at http://www.athro.com/evo/gen/genefr2.html
he current mo#el cannot account for
haJel, ra$, or sha#es of bron,
thouh.
ore info atB
http://www.seps.org/cvoracle/fa9/eyecolor.html
http://www.athro.com/evo/gen/genefr2.htmlhttp://www.seps.org/cvoracle/faq/eyecolor.htmlhttp://www.seps.org/cvoracle/faq/eyecolor.htmlhttp://www.athro.com/evo/gen/genefr2.html8/9/2019 Mcs Ta Science Misconceptions
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