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News tagged with speed

Mechanical motion rectifier leads to better energy harvesting

(Phys.org) -- Mechanical energy is all around us, whether in the form of a vehicle's vibrations, ocean waves, or vibrating train tracks. However, much of this energy is irregular and oscillatory - for example, road bumps ...

Technology / Engineering

created Apr 25, 2012 | popularity 4.9 / 5 (9) | comments 26 | with audio podcast report

Scientists discover new water waves

(PhysOrg.com) -- By precisely shaking a container of shallow water, researchers have observed wave behavior that has never been seen before. In a new study, Jean Rajchenbach, Alphonse Leroux, and Didier Clamond ...

Physics / General Physics

created Jul 19, 2011 | popularity 4.4 / 5 (20) | comments 26 | with audio podcast feature

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

All-optical quantum computation, step 1: A controlled-NOT photonic gate

(PhysOrg.com) -- The often counterintuitive quantum world of superposition, entanglement, and tunneling can greatly enhance applications as diverse as communication, information processing, and precision measurement. ...

Physics / Quantum Physics

created Jun 24, 2011 | popularity 4 / 5 (6) | comments 0 | with audio podcast feature

Dragon arrives at space station in historic 1st (Update 2)

The privately bankrolled Dragon capsule made a historic arrival at the International Space Station on Friday, triumphantly captured by astronauts wielding a giant robot arm.

Space & Earth / Space Exploration

created May 25, 2012 | popularity 5 / 5 (11) | comments 20

T-ray madness: Scientists score wireless data record

(Phys.org) -- Wednesday headlines trumpeted how "Japanese researchers smash Wi-Fi records" and "Scientists show off the future of Wi-Fi." The excitement is for good reason. A team of scientists have broken ...

Technology / Telecom

created May 16, 2012 | popularity 4.9 / 5 (16) | comments 9 | with audio podcast weblog

New Interstellar Boundary Explorer data show heliosphere's long-theorized bow shock does not exist

For the last few decades, space scientists have generally accepted that the bubble of gas and magnetic fields generated by the sun – known as the heliosphere – moves through space, creating three ...

Space & Earth / Space Exploration

created May 10, 2012 | popularity 4.8 / 5 (17) | comments 3 | with audio podcast

First, fast, and faster

(Phys.org) -- Scientists in PML's Quantum Measurement Division have produced the first superluminal light pulses made by using a technique called four-wave mixing, creating two separate pulses whose peaks ...

Physics / Optics & Photonics

created Apr 06, 2012 | popularity 4.6 / 5 (25) | comments 33 | with audio podcast

Images capture split personality of dense suspensions

Stir lots of small particles into water, and the resulting thick mixture appears highly viscous. When this dense suspension slips through a nozzle and forms a droplet, however, its behavior momentarily reveals ...

Physics / Soft Matter

created Mar 30, 2012 | popularity 4 / 5 (2) | comments 13 | with audio podcast

'Faster-than-light' particles fade after cross-check

Neutrinos do not go faster than light, according to fresh measurements of a test last year that had suggested the particles broke the Universe's speed limit, CERN said on Friday.

Physics / General Physics

created Mar 16, 2012 | popularity 4.8 / 5 (31) | comments 50

First results from Daya Bay find new kind of neutrino transformation

The Daya Bay Reactor Neutrino Experiment, a multinational collaboration operating in the south of China, today reported the first results of its search for the last, most elusive piece of a long-standing puzzle: ...

Physics / General Physics

created Mar 08, 2012 | popularity 4.8 / 5 (20) | comments 16 | with audio podcast

Computer simulations suggest graphynes may be even more useful than graphene

(PhysOrg.com) -- The past several years have seen a virtual explosion in the amount of research dedicated to graphene and as a result there has been a nearly constant stream of news pertaining to new discoveries ...

Nanotechnology / Nanomaterials

created Mar 05, 2012 | popularity 4.8 / 5 (10) | comments 26 | with audio podcast report

Chandra finds fastest wind from stellar-mass black hole

Astronomers using NASA's Chandra X-ray Observatory have clocked the fastest wind yet discovered blowing off a disk around a stellar-mass black hole. This result has important implications for understanding ...

Space & Earth / Astronomy

created Feb 21, 2012 | popularity 4.1 / 5 (7) | comments 10 | with audio podcast

Physicist creates scale model of LHC ATLAS experiment of out LEGO blocks

(PhysOrg.com) -- The Large Hadron Collider at the European Organization for Nuclear Research (CERN) in Switzerland has generated a lot of news of late, e.g. the announcement that a team had found what it believes ...

Physics / General Physics

created Dec 30, 2011 | popularity 3.6 / 5 (17) | comments 19 | with audio podcast report

Bouncing signals off ceiling can rev up data centers

(PhysOrg.com) -- Researchers have a startlingly upbeat idea for data center managers coping with packed rooms, Internet traffic bursts, and high costs looming in having to reconfigure data center designs. ...

Technology / Telecom

created Dec 21, 2011 | popularity 5 / 5 (5) | comments 14 | with audio podcast report