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[Phys-L] need for textbooks


Dear Colleagues:
My Ap Physics B enrollment is growing next yr and we are short of textbooks. if anyone is updating or changing textbooks and would have the 6th ed of Physics: principles and applications by Giancoli that they are getting rid of I could use a few. i will pay shipping costs. please email me off line if you can help. Thanks in advance!
Frank Cange
AP B teacher
St. Louis,MO


Date: Wed, 6 Jun 2012 23:09:25 -0400
To: Phys-L@Phys-L.org
From: Anthony_Lapinski@pds.org
Subject: Re: [Phys-L] multitasking

Walking and chewing gum are relatively easy to do. So are texting and
driving (sometimes), but mistakes can be fatal.

I went to a illusion/magic/brain lecture at the PPPL here in Princeton a
few years ago. Packed house! They said that humans can't multitask
efficiently, and we know this because magicians fool us all the time. Even
a simple card/coin trick -- we can't see how the coin disappeared or how
the card appeared somewhere else.

Check out this short video clip (someone sent me), which I show my
students every year The card trick is amazing, and he is a total
entertainer. See if you can follow the cards. The opening hand "trick" is
very different. Know how it's done?

http://biggeekdaddy.com/humorpages/Humor/BestCardTrick.html



Phys-L@Phys-L.org writes:

On 2012, Jun 06, , at 18:35, Richard Tarara wrote:



I would suggest looking at the Wikipedia article on Human Multitasking.
At least what is there is my understanding of the problems associated
with humans trying to do multiple 'active brain' things simultaneously.
I'm sure one can train oneself to do a couple things pretty well (like
flying and talking on the radio) but other things like reading Plato
while listening to an IPOD or watching TV and doing physics problems seem
(for most) to suffer the problems noted in the article.

Rick
_____

Of course, most can walk and chew gum simultaneously.

"Johnson said at the time, "Jerry Ford is so dumb he can't fart and chew
gum at the same time."[48] The press, used to sanitizing LBJ's salty
language, reported this as "Gerald Ford can't walk and chew gum at the
same time."[49]"


http://en.wikipedia.org/wiki/Gerald_Ford


bc thinks he remembers Ford tripped and nearly fell embarking from a
heavy plane.

I, searching tripped, find true.
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_______________________________________________
Forum for Physics Educators
Phys-l@mail.phys-l.org
http://www.phys-l.org/mailman/listinfo/phys-l