Science & Mathematics - 22 September 2006

The skeleton of a supposed human ancestor has recently been found and hailed as a child. How can you tell that the skeleton is that of a child. Or, from the other side of the coin, a dwarf ancestor was supposedly found in Indonesia, why was that not described as a child instead?

2006-09-22 01:05:18 · 17 answers · asked by Anonymous in Biology

Stupid question: I need to do make some solutions and need to know where to get DISTILLED WATER. Is this the same as bottled water like you get from Walmart?

2006-09-22 01:04:47 · 6 answers · asked by crime_scene223 1 in Chemistry

2006-09-22 01:04:09 · 11 answers · asked by Anonymous in Other - Science

What different (potential) sources of energy are or might be possible? In what ways might they change the nature of transport as we now know it?

2006-09-22 00:58:58 · 28 answers · asked by Belinda B 3 in Other - Science

Pls answer ASaP. Tnx!!!

2006-09-22 00:55:03 · 13 answers · asked by double B 2 in Mathematics

2006-09-22 00:54:53 · 1 answers · asked by Anonymous in Chemistry

If I was on a train moving 2 miles an hour below the speed of light and then took a step forward, why wouldn't I be moving at the speed of light?

2006-09-22 00:54:48 · 30 answers · asked by Steven L 1 in Physics

Pls. answer ASAP. thanks!!!

2006-09-22 00:48:43 · 6 answers · asked by double B 2 in Mathematics

it crashed or something?
it was just a little while ago, maybe a few years?

2006-09-22 00:46:08 · 10 answers · asked by i_luv_dogs! 2 in Astronomy & Space

I want to give presentation on “career opportunities available in SPACE” (i.e. in space related fields) in my college for about 6 minutes but I didn’t have any information about it please tell me about that also if possible give the address of related links.

2006-09-22 00:46:04 · 6 answers · asked by pratik464 1 in Astronomy & Space

I'm sure the exact answer is variable but is the response time in milliseconds and is it dependable under stable conditions? If I put 2 PIR's on my front fence and measured the time between responses as a car went past, will the system respond quickly enough for me to calculate the speed of the car?

2006-09-22 00:45:29 · 5 answers · asked by Paul D 3 in Engineering

2006-09-22 00:40:56 · 8 answers · asked by bonshui 6 in Biology

Given the equation x^3 - 2x^2 + x - 3 = 0, find an equation whose roots are each 2 less than the roots of the given equation.

2006-09-22 00:39:10 · 2 answers · asked by Sasha 2 in Mathematics

in an air vent, to calculate the thickness of the vent pipe ineed to kno the amount of pressure air applies...

kindly help ppl..

2006-09-22 00:26:31 · 4 answers · asked by Balki 1 in Engineering

On a telephone, number 1 is at the top letf, on a calculator, number 1 is at the bottom left. Why has it been invented this way becuase I find it incredibly annoying.

2006-09-22 00:25:56 · 7 answers · asked by Paul 2 in Mathematics

2006-09-22 00:21:59 · 24 answers · asked by Anonymous in Earth Sciences & Geology

2006-09-22 00:20:20 · 14 answers · asked by Anonymous in Geography

Has nobody thought to compare the lift of an aerofoil with that of an equally massive simple inclined sheet in a wind tunnel?

2006-09-22 00:14:56 · 13 answers · asked by mesun1408 6 in Engineering

Well Ur comments and research will be very usefull to me as i am going to say this all in my PUPLIC SPEECH competition on this topic.....

2006-09-22 00:09:00 · 7 answers · asked by ZAIN A 1 in Other - Science

Hai.. I like maths, & wanna be an architect. I like other branches of engineering like civil, mechanical,... What group should I take in 11th. Can I get a job abroad?????

2006-09-22 00:00:19 · 6 answers · asked by sNeHa 1 in Mathematics