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Science & Mathematics - 14 August 2007

[Selected]: All categories Science & Mathematics

Agriculture · Alternative · Astronomy & Space · Biology · Botany · Chemistry · Earth Sciences & Geology · Engineering · Geography · Mathematics · Medicine · Other - Science · Physics · Weather · Zoology

dont tell me to look up nothing. i just want an answer if u dont know dont right nothing

2007-08-14 11:49:45 · 2 answers · asked by Gaara 1 in Astronomy & Space

I came across this site today ..

http://globalwarmingrevealed.blogspot.com/

thought you might like to add your input

2007-08-14 11:46:19 · 3 answers · asked by Kara 2 in Astronomy & Space

they crowd around the light bulb bumping into it until the heat from the glass kills them, why do they do it?

2007-08-14 11:34:55 · 13 answers · asked by Anonymous in Biology

would it be safe to define a circle as a regular polygon with an infinite amount of sides?

2007-08-14 11:21:56 · 4 answers · asked by Anonymous in Mathematics

The relationship between humans and chimps is remarkably close, nearly identical in terms of DNA, so according to my textbook, some biologists believe it's possible to interbeed, though they would produce sterile offspring. Is it possible, and if so, why has nobody artificially inseminated chimpanzees to find out?

2007-08-14 11:18:29 · 14 answers · asked by Link 4 in Biology

A pair of speakers separated by 0.700 m are driven by the same oscillator at a frequency of 681 Hz. An observer, originally positioned at one of the speakers, begins to walk along a line perpendicular to the line joining the speakers. (Assume the speed of sound is 345 m/s.)
(a) How far must the observer walk before reaching a relative maximum in intensity?
_______ m
(b) How far will the observer be from the speaker when the first relative minimum is detected in the intensity?
_______m

2007-08-14 11:12:25 · 1 answers · asked by Anonymous in Physics

Explain to me the experiences and references of one of the most "honorable and highly decorated Astronauts Gordon Cooper:"
Bio:
http://www.jsc.nasa.gov/Bios/htmlbios/cooper-lg.html

In 1957, Cooper was one of an elite band of test pilots at Edwards Air Force Base in California, in charge of several advanced projects, including the installation of a precision landing system.
"I had a camera crew filming the installation when they spotted a saucer. They filmed it as it flew overhead, then hovered, extended three legs as landing gear, and slowly came down to land on a dry lake bed ! These guys were all pro cameramen, so the picture quality was very good. The camera crew managed to get within 20 or 30 yards of it, filming all the time. It was a classic saucer, shiny silver and smooth, about 30 feet across. It was pretty clear it was an alien craft. As they approached closer it took off."

2007-08-14 11:12:22 · 13 answers · asked by danaisagurlsname11 1 in Astronomy & Space

Mine would have to be a snake....

I don't mind nonvenomous snakes because some of them actually help kill the venomous snakes... I usually let go blacksnakes and gartner snakes....

2007-08-14 11:11:38 · 26 answers · asked by Anonymous in Zoology

In /slanted rectangle/ABCD, AE =7x - 1, and EC = 5x + 5
what kind of parallelogram is ABCD? Explain plz

Thank you!

2007-08-14 11:05:48 · 3 answers · asked by =] 1 in Mathematics

dont tell me to look up nothing. i just want an answer if u dont know dont right nothing

2007-08-14 11:02:50 · 10 answers · asked by Gaara 1 in Astronomy & Space

2007-08-14 10:58:07 · 2 answers · asked by prettie_girl826 1 in Biology

living in the concerete jungle of the town, who do not wish it ever to rain , could actually effect the weather so that it does not rain? Even on the weather forecast on the Telly rain is described as being bad weather, and sunny weather is described as being better or good weather!
No one ever seems to think about what is good for the countryside, springs and rivers!
Yes, I realise that this doesn`t explain all the recent heavy rainfalls in England,...and other countries also,...But perhaps our desire to keep rain away only causes it to build up to the point that it simply has to have the whole lot fall at once.
I know it sounds rather childish, but there may be some truth in it!

2007-08-14 10:54:39 · 2 answers · asked by Sue 3 in Earth Sciences & Geology

2007-08-14 10:53:33 · 13 answers · asked by Anonymous in Astronomy & Space

So a Rattlesnake gives off a sound to warn you.

I was told a Copperhead will give off a cucumber smell as warning is this true? Can you tell me if there is anyway you can tell if you are close to a Copperhead? I hate these snakes....

2007-08-14 10:53:25 · 4 answers · asked by Anonymous in Zoology

2007-08-14 10:51:56 · 7 answers · asked by ? 1 in Chemistry

We are working on a new aluminum fixture. It is basically an aluminum
spine with many 6061-T6 pins sticking out. Currently we drill the
holes inside the spine and hammer the 5/32" 6061-T6 pins inside. Is
there anyway to cast aluminum with many 6061-T6 pins embedded (they
will stick out after the casting)?

Thanks........... Ken


Opportunities are never lost. The other fellow takes those you miss.


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2007-08-14 10:51:24 · 7 answers · asked by Anonymous in Engineering

-what subjects do they each cover
-is it bad to get a TI 85 when you are only in Algebra 2 (could it possibly be to advanced?)
-what do you recommend
-is there a huge difference in pricing?

2007-08-14 10:48:08 · 9 answers · asked by Alexis 3 in Mathematics

What times do a systems engineer work? Do they start work early..end late...do they work on weekends normally..or do they work overtime..what is the usual overtime rate? To do with vacationing..are they given a number of days off for the year..or do they have set dates to go on vacation? Hope my questions can be answered:)

2007-08-14 10:46:57 · 3 answers · asked by Anonymous in Engineering

http://www.youtube.com/watch?v=a9NWR5Dn6QI

2007-08-14 10:42:19 · 11 answers · asked by Anonymous in Astronomy & Space

what is the person's name who discovered asymmetric shapes

2007-08-14 10:41:10 · 2 answers · asked by Anonymous in Astronomy & Space

I hooked up a variac and got up to 510 volts but the I need 600 volts. I was thinking about hooking up another variac in series with the first one. Would that work? It won't blow up, will it?

2007-08-14 10:40:57 · 3 answers · asked by Anonymous in Engineering

2007-08-14 10:39:57 · 5 answers · asked by Camzi 1 in Biology

2007-08-14 10:38:41 · 2 answers · asked by Camzi 1 in Biology

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