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News tagged with velocity

Scientists find potentially habitable planet near Earth

(PhysOrg.com) -- A team of planet hunters led by astronomers at the University of California, Santa Cruz, and the Carnegie Institution of Washington has announced the discovery of an Earth-sized planet (three ...

Space & Earth / Astronomy

created Sep 29, 2010 | popularity 4.9 / 5 (78) | comments 67 | with audio podcast

Navy test fires electromagnetic cannon

The US Navy announced a successful test Friday of an electromagnetic cannon capable of firing a projectile 110 nautical miles (200 kilometers) at five times the speed of sound.

Technology / Engineering

created Dec 10, 2010 | popularity 4.6 / 5 (61) | comments 120

Physicists prove Einstein wrong with observation of instantaneous velocity in Brownian particles

A century after Albert Einstein said we would never be able to observe the instantaneous velocity of tiny particles as they randomly shake and shimmy, so called Brownian motion, physicist Mark Raizen and his ...

Physics / General Physics

created May 20, 2010 | popularity 4.5 / 5 (44) | comments 32 | with audio podcast

Gas rich galaxies confirm prediction of modified gravity theory

(PhysOrg.com) -- Recent data for gas rich galaxies precisely match predictions of a modified theory of gravity know as MOND according to a new analysis by University of Maryland Astronomy Professor Stacy McGaugh. ...

Physics / General Physics

created Feb 23, 2011 | popularity 4.7 / 5 (41) | comments 96 | with audio podcast

Teenager reportedly finds solution to 350 year old math and physics problem

(Phys.org) -- In Isaac Newton's Principia Mathematica published in 1687, the man many consider the most brilliant mathematician of all time used a mathematical formula to describe the path taken by an obj ...

Other Sciences / Mathematics

created May 29, 2012 | popularity 4.4 / 5 (33) | comments 65 | with audio podcast weblog

32 New Exoplanets Found (w/ Video)

(PhysOrg.com) -- Today, at an international ESO/CAUP exoplanet conference in Porto, the team who built the High Accuracy Radial Velocity Planet Searcher, better known as HARPS, the spectrograph for ESO's 3.6-metre ...

Space & Earth / Astronomy

created Oct 19, 2009 | popularity 4.9 / 5 (28) | comments 6

A wealth of habitable planets in the Milky Way

An international team has used the technique of gravitational microlensing to measure how common planets are in the Milky Way.

Space & Earth / Astronomy

created Jan 11, 2012 | popularity 4.8 / 5 (29) | comments 102 | with audio podcast

Physicists show that superfluid light is possible

(PhysOrg.com) -- Superfluidity – the phase of matter that enables a fluid to move up the sides of its container – has been known about since the 1930s. Since then, superfluidity has become a prime ...

Physics / Optics & Photonics

created Oct 27, 2010 | popularity 4.5 / 5 (30) | comments 24 | with audio podcast feature

Milky Way stars move in mysterious ways

Rather than moving in circles around the center of the Milky Way, all the stars in our Galaxy are travelling along different paths, moving away from the Galactic center. This has just been evidenced by Arnaud ...

Space & Earth / Astronomy

created Nov 30, 2010 | popularity 4.7 / 5 (27) | comments 22 | with audio podcast

Study finds single photons cannot exceed the speed of light

(PhysOrg.com) -- The rule that nothing can travel faster than the speed of light, c, is one of the most fundamental laws of nature. But since this speed limit has only been experimentally demonstrated for ...

Physics / Optics & Photonics

created Jun 24, 2011 | popularity 4.5 / 5 (28) | comments 91 | with audio podcast feature

Dawn Spacecraft Fires Past Record for Speed Change (w/ Video)

(PhysOrg.com) -- Deep in the heart of the asteroid belt, on its way to the first of the belt's two most massive inhabitants, NASA's ion-propelled Dawn spacecraft has eclipsed the record for velocity change ...

Space & Earth / Space Exploration

created Jun 08, 2010 | popularity 4.9 / 5 (21) | comments 11 | with audio podcast

Exoplanets Clue to Sun's Curious Chemistry

(PhysOrg.com) -- A ground-breaking census of 500 stars, 70 of which are known to host planets, has successfully linked the long-standing "lithium mystery" observed in the Sun to the presence of planetary systems. ...

Space & Earth / Astronomy

created Nov 11, 2009 | popularity 4.6 / 5 (21) | comments 15

Racetrack memory

Imagine a computer equipped with shock-proof memory that's 100,000 times faster and consumes less power than current hard disks. EPFL Professor Mathias Klaui is working on a new kind of "racetrack" memory, ...

Physics / General Physics

created Nov 15, 2010 | popularity 4.3 / 5 (21) | comments 8 | with audio podcast

Graphene's shining light could lead to super-fast Internet

Internet connection speeds could be tens of times faster than they currently are, thanks to research by University of Manchester scientists using wonder material graphene.

Nanotechnology / Nanomaterials

created Aug 30, 2011 | popularity 4.8 / 5 (19) | comments 12 | with audio podcast

Could dark matter not matter?

You probably want to put on your skeptical goggles and set them to maximum for this one. An Italian mathematician has come up with some complex formulae that can, with remarkable similarity, mimic the rotation ...

Space & Earth / Astronomy

created Dec 05, 2011 | popularity 4.4 / 5 (20) | comments 102