News tagged with dynamics

Why NASA studies the ultraviolet sun

(Phys.org) —You cannot look at the sun without special filters, and the naked eye cannot perceive certain wavelengths of sunlight. Solar physicists must consequently rely on spacecraft that can observe ...

Aug 21, 2014
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The economy of bitcoins

The massive spread of the cryptocurrency or digital currency, Bitcoin, opens up new pathways for researchers to study social action on markets. This reveals interesting feedback between the exchange rates ...

Aug 07, 2014
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How Rosetta arrives at a comet

After travelling nearly 6.4 billion kilometres through the Solar System, ESA's Rosetta is closing in on its target. But how does a spacecraft actually arrive at a comet?

Aug 01, 2014
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Landsat looks to the Moon (w/ Video)

Every full moon, Landsat 8 turns its back on Earth. As the satellite's orbit takes it to the nighttime side of the planet, Landsat 8 pivots to point at the moon. It scans the distant lunar surface multiple ...

Jul 12, 2014
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SDO spots a summer solar flare

The sun emitted a mid-level solar flare, peaking at 12:20 p.m. EDT on July 8, 2014, and NASA's Solar Dynamics Observatory captured images of the event. Solar flares are powerful bursts of radiation. Harmful ...

Jul 08, 2014
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New discovery in living cell signaling

A breakthrough discovery into how living cells process and respond to chemical information could help advance the development of treatments for a large number of cancers and other cellular disorders that ...

Jul 03, 2014
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How knots can swap positions on a DNA strand

Physicists of Johannes Gutenberg University Mainz (JGU) and the Graduate School of Excellence "Materials Science in Mainz" (MAINZ) have been able with the aid of computer simulations to confirm and explain ...

Jul 03, 2014
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New technique controls fluids at the nanoscale

(Phys.org) —Researchers at Swinburne University of Technology have revealed a revolutionary method of pumping fluid at the nanoscale level that has potential use for desalinating water and lab-on-a-chip ...

Jun 30, 2014
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