Get flash to fully experience Pearltrees
Scientists previously have measured the light from distant exploding stars to show that the universe is expanding at an accelerating rate.
It was turned on in 1983 to the sound of protesters who worried that its high-energy collisions between protons and antiprotons could bring about the end of the world or perhaps the whole universe.
“There’s a real interest in science books at the moment,” says Stuart Clark, author of The Universe (part of the “Big Question” series).
<img width="300" height="203" border="0" src="/images_blogs/underwire/images/2008/01/07/k2.jpg" title="K2" alt="K2" style="margin: 0px 5px 5px 0px; float: left;" />
The voice makes sounds in several different ways. You can make a wide range of hissing or wind noises by passing air through a small aperture between the lips, teeth, etc. When you make such a sound using a small aperture between your 'vocal cords', it's called whispering. These sounds are all caused by the turbulent flow of the air, and they contain a wide range of different frequenies.
May 22, 2009 — While today's law enforcement officers don't wear utility belts full of crimefighting gadgets like Batman, they do rely on a variety of state-of-the-art technologies to do their jobs efficiently and safely.
GOOD news at the has been piling up fast in recent months. In the midst of a recession, the lab here is launching huge new projects and generating hundreds of jobs.
Mar. 10, 2009 — Scientists of the CDF and DZero collaborations at the Department of Energy’s Fermi National Accelerator Laboratory have observed particle collisions that produce single top quarks.
More Science :: News :: October 22, 2008 :: :: Email :: Print
There's much to love about the animated film, Finding Nemo , but one of many treasured moments is the frenzied fish in the dentist's aquarium, who is enthralled with the toy sunken treasure chest. Said chest pops open at regular intervals, releasing a stream of bubbles into the water, sending the little fish into paroxysms of delight: "Bubbles!
Resonance made visible with black seeds on a harpsichord soundboard Cornstarch and water solution under the influence of sine wave vibration Cymatics (from Greek : κῦμα "wave") is the study of visible sound and vibration, a subset of modal phenomena .
Temperature is certainly a factor when growing ice spikes, and we have done experiments that show that spikes are more likely to form when the temperature is just below freezing (see the graphs below). I'm not entirely sure why this is so, but I suspect that the ice tube freezes shut before the tube gets very long if the temperature is too low.
During Dr. Donald Pettit's nearly six-month flight (from November 2002 – May 2003) on-board the International Space Station, he conducted many experiments and demonstrations for the Saturday Morning Science Program. His “Symphony of Spheres” is an excellent illustration of the fluid physics experiments that can be performed in microgravity, as opposed to a 1-g, low-gravity environment.