News tagged with velocity

A close call of 0.8 light years

A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed through the solar system's distant cloud of ...

dateFeb 17, 2015 in Astronomy
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250 years of planetary detection in 60 seconds

Early astronomers realized some of the "stars" in the sky were planets in our Solar System, and really, only then did we realize Earth is a planet too. Now, we're finding planets around other stars, and thanks ...

dateFeb 12, 2015 in Astronomy
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Programming drones to fly like birds

(Phys.org) —Jack Langelaan's lab in the basement of Hammond Building is a model airplane builder's dream. In one room, graduate students Nathan Depenbusch and John Bird test algorithms on commercial flight ...

dateJan 15, 2014 in Engineering
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New technique measures mass of exoplanets

To date, scientists have confirmed the existence of more than 900 exoplanets circulating outside our solar system. To determine if any of these far-off worlds are habitable requires knowing an exoplanet's ...

dateDec 19, 2013 in Astronomy
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Nano-size superfluidity

Scientists at EPFL have provided the first experimental evidence of superfluidity at the nanoscale, shedding light on the fundamental basis of the phenomenon.

dateNov 13, 2013 in General Physics
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Eliminating unexplained traffic jams

Everybody's experienced it: a miserable backup on the freeway, which you think must be caused by an accident or construction, but which at some point thins out for no apparent reason.

dateOct 28, 2013 in Engineering
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Uncovering liquid foam's bubbly acoustics

Liquid foams fascinate toddlers singing in a bubble bath. Physicists, too, have an interest in their acoustical properties. Borrowing from both porous material and foam science, Juliette Pierre from the Paris Diderot University, ...

dateOct 17, 2013 in Condensed Matter
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