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Channel: Christopher Dombrowski – Ars Technica
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Dwarf planet Eris is bereft of atmosphere, about the size of Pluto

Eris, the largest dwarf planet in our solar system, made headlines in 2006 when scientists reported that it was larger and heavier than Pluto. New measurements are suggesting that Eris may actually be...

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Beating the coffee ring effect for smooth coatings

Ever wonder why a drop of coffee leaves a ring behind when it dries? Physicists did. In 1997, a group from Chicago came up with a theory of how it works. It turned out to be such a universal theory...

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Exoplanets without a star: galaxy teems with lonely Jupiters

Seems like every week astronomers find a new exoplanet, one that's the biggest or the smallest or the hottest or most habitable. However, this week astronomers are announcing a truly unique and new...

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Self-assembling rafts: how fire ants survive floods

Ever wonder how a colony of ants could survive a flood? Apparently the Brazilian fire ant, Solenopsis invicta, can self-assemble into hydrophobic rafts of thousands of individuals. These rafts can...

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New tech shows Einstein wrong: we can watch Brownian motion

The seemingly random movement of Brownian motion just got a little more classical. Scientists have been able to image the ultrafast motions of a trapped particle, revealing the underlining trajectories...

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Reversing the Doppler effect

Everyone has experienced the Doppler effect. An ambulance's siren has a higher pitch as it approaches you, and a lower pitch when moving away. Now, imagine that the pitch goes down as the ambulance...

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Dwarf planet Eris is bereft of atmosphere, about the size of Pluto

The 50-cm Caisey Harlingten telescope at San Pedro de Atacama, Chile, where one of the successful observations took place. (credit: Photograph by A. Maury) Eris, the largest dwarf planet in our solar...

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Image may be NSFW.
Clik here to view.

Beating the coffee ring effect for smooth coatings

(credit: Photograph by Jacob Gube) Ever wonder why a drop of coffee leaves a ring behind when it dries? Physicists did. In 1997, a group from Chicago came up with a theory of how it works. It turned...

View Article


Exoplanets without a star: galaxy teems with lonely Jupiters

Seems like every week astronomers find a new exoplanet, one that's the biggest or the smallest or the hottest or most habitable. However, this week astronomers are announcing a truly unique and new...

View Article


Self-assembling rafts: how fire ants survive floods

Ever wonder how a colony of ants could survive a flood? Apparently the Brazilian fire ant, Solenopsis invicta, can self-assemble into hydrophobic rafts of thousands of individuals. These rafts can...

View Article

New tech shows Einstein wrong: we can watch Brownian motion

The seemingly random movement of Brownian motion just got a little more classical. Scientists have been able to image the ultrafast motions of a trapped particle, revealing the underlining...

View Article

Reversing the Doppler effect

Everyone has experienced the Doppler effect. An ambulance's siren has a higher pitch as it approaches you, and a lower pitch when moving away. Now, imagine that the pitch goes down as the ambulance...

View Article
Browsing index pages (12 articles)


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