News tagged with vaporization

Tighter 'stitching' makes better graphene

(Phys.org) -- Similar to how tighter stiches make for a better quality quilt, the "stitching" between individual crystals of graphene affects how well these carbon monolayers conduct electricity and retain ...

Nanotechnology / Nanomaterials

created Jun 01, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Sound increases the efficiency of boiling

Scientists at the Georgia Institute of Technology achieved a 17-percent increase in boiling efficiency by using an acoustic field to enhance heat transfer. The acoustic field does this by efficiently removing vapor bubbles ...

Physics / Soft Matter

created May 24, 2012 | popularity 5 / 5 (3) | comments 6

Oxygen isotopes improve weather predictability in Niger

For the African nation of Niger, the effect of seasonal atmospheric variability on the weather is poorly understood. Because most residents rely on local agriculture, improving the predictability of seasonal weather and precipitation ...

Space & Earth / Earth Sciences

created May 17, 2012 | popularity not rated yet | comments 0

New point for dew point

Peter Huang of the Sensor Science Division’s Temperature and Humidity group has devised a new humidity generator that enables dew-point measurements up to 98 °C – a substantial extension above ...

Physics / General Physics

created May 11, 2012 | popularity not rated yet | comments 0

A NASA weather 'Eye in the Sky' marks 10 years

For 10 years, it has silently swooped through space in its orbital perch 438 miles (705 kilometers) above Earth, its nearly 2,400 spectral "eyes" peering into Earth's atmosphere, watching. But there's nothing ...

Space & Earth / Earth Sciences

created May 04, 2012 | popularity 5 / 5 (1) | comments 0

Scientists use new method to zero in on source of tropical clouds

(Phys.org) -- High above the Earth, clouds too thin to see cover the tropics. Scientists at Pacific Northwest National Laboratory have found a creative technique to identify the clouds' origins. Using several ...

Space & Earth / Earth Sciences

created Apr 26, 2012 | popularity 4 / 5 (1) | comments 0

Devising a 'silver bullet' for measuring water use by plants

(Phys.org) -- Most gardeners can tell by rule of thumb how much water their tomatoes and carrots need, but taking an accurate reading of plants' actual water use is a very difficult problem.   Although ...

Space & Earth / Environment

created Apr 24, 2012 | popularity 5 / 5 (1) | comments 0

NASA selects science instrument upgrade for flying observatory

NASA has selected a science instrument upgrade to the Stratospheric Observatory for Infrared Astronomy (SOFIA) airborne observatory. The instrument, the High-resolution Airborne Wideband Camera (HAWC), will provide a sensitive, ...

Space & Earth / Space Exploration

created Apr 18, 2012 | popularity 5 / 5 (2) | comments 0

Is it snowing microbes on Enceladus?

There's a tiny moon orbiting beyond Saturn's rings that's full of promise, and maybe -- just maybe -- microbes.

Space & Earth / Space Exploration

created Mar 28, 2012 | popularity 4.8 / 5 (12) | comments 4 | with audio podcast

Cassini to make closest pass yet over Enceladus South Pole

(PhysOrg.com) -- NASA's Cassini spacecraft is preparing to make its lowest pass yet over the south polar region of Saturn's moon Enceladus, where icy particles and water vapor spray out in glittering jets. ...

Space & Earth / Space Exploration

created Mar 27, 2012 | popularity 5 / 5 (2) | comments 0

Cassini sees Saturn stressing out Enceladus

(PhysOrg.com) -- Images from NASA's Cassini spacecraft have, for the first time, enabled scientists to correlate the spraying of jets of water vapor from fissures on Saturn's moon Enceladus with the way Saturn's ...

Space & Earth / Space Exploration

created Mar 20, 2012 | popularity not rated yet | comments 3 | with audio podcast

Space Image: Enceladus, Saturn's moon

(PhysOrg.com) -- Below a darkened Enceladus, a plume of water ice is backlit in this view of one of Saturn's most dramatic moons.

Space & Earth / Space Exploration

created Mar 16, 2012 | popularity 5 / 5 (1) | comments 0

Nerve gas litmus test could sense airborne chemical weapons

(PhysOrg.com) -- Nerve gases are colorless, odorless, tasteless and deadly. While today's soldiers carry masks and other protective gear, they don't have reliable ways of knowing when they need them in time. ...

Chemistry / Materials Science

created Mar 13, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

New approach aims to slash cost of solar cells

Solar-powered electricity prices could soon approach those of power from coal or natural gas thanks to collaborative research with solar start-up Ampulse Corporation at the U.S. Department of Energy's (DOE) ...

Technology / Energy & Green Tech

created Mar 06, 2012 | popularity not rated yet | comments 2

Physics sheds light on the role of humidity in ironing

Ironing increases the humidity of a piece of cloth by injecting water vapor in the form of steam. But how does the vapor affect the fabric? Until now, it was thought that its only effect was to soften the fibers. French researchers ...

Physics / Soft Matter

created Feb 24, 2012 | popularity not rated yet | comments 0