News tagged with speed

Big sperm don't always win the race

When females mate with more than one male, each one's sperm has to compete to get to her eggs. Until now, researchers had thought the fastest sperm would dominate.

Jan 31, 2014
4.6 / 5 (5) 0 | with audio podcast

Elucidating heavy precipitation events

It is difficult to forecast heavy precipitation events accurately and reliably. The quality of these forecasts is affected by two processes whose relative importance has now been quantified by a team at the ...

Nov 29, 2013
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Review: 'Rivals' a fast, furious 'Need for Speed'

It's no secret the light launch lineup for next-generation consoles leaves a little something to be desired. However, there's at least one game that's sure to get next-generation owners' engines running—and ...

Nov 19, 2013
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Explainer: The engineering challenges of HS2

Next year, high-speed rail travel will celebrate its 50th birthday. In 1964, Japan put into service the first Shinkansen line, from Tokyo to Osaka. Its trains initially operated at speeds of up to 210 km/h ...

Nov 19, 2013
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On-chip quantum buffer realized

Nippon Telegraph and Telephone Corp. has realized a quantum buffer integrated on an optical waveguide. The buffer is based on the "slow light effect", where the propagation speed of a pulsed light in a special ...

Nov 13, 2013
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