News tagged with reflective surface

Global sea surface temperature data provides new measure of climate sensitivity

Scientists have developed important new insight into the sensitivity of global temperature to changes in the Earth's radiation balance over the last half million years.

Space & Earth / Environment

created Dec 06, 2011 | popularity 4.3 / 5 (4) | comments 0

Habitable zones

(PhysOrg.com) -- The "habitable zone" is the region around a star where a suitable planet could sustain the conditions necessary for life. Most astronomers take it to be the region where the balance between ...

Space & Earth / Astronomy

created Aug 22, 2011 | popularity 4 / 5 (5) | comments 20 | with audio podcast

Efficacy of cool roofs varies from city to city

(PhysOrg.com) -- While cool roofs and pavements have been found to cool the planet by preventing energy from being radiated back into the atmosphere, previous studies have not accounted for atmospheric feedbacks ...

Space & Earth / Environment

created Jul 27, 2011 | popularity 4.3 / 5 (4) | comments 5 | with audio podcast

Being 'secondary' is important for a Webb Telescope mirror

(PhysOrg.com) -- "Secondary" may not sound as important as "primary" but when it comes to the next-generation James Webb Space Telescope a secondary mirror plays a critical role in ensuring the telescope gathers ...

Space & Earth / Space Exploration

created Jul 20, 2011 | popularity 4.4 / 5 (7) | comments 10

Image: Flooding from Mississippi river levee breach

The U.S. Army Corps of Engineers detonated explosives at the Birds Point levee near Wyatt, Missouri, at 10:02 p.m. on May 2, 2011. Water from the intentional breach flooded a 130,000-acre stretch of land. ...

Space & Earth / Earth Sciences

created May 12, 2011 | popularity not rated yet | comments 0

Perfectly non-reflecting

(PhysOrg.com) -- A new nanocoating ensures a perfectly non-reflecting view on displays and through eyeglasses. The necessary surface structure is applied to the polymeric parts during manufacture, obviating ...

Nanotechnology / Nanomaterials

created May 04, 2010 | popularity 4.8 / 5 (12) | comments 5 | with audio podcast

New NASA Image Shows Extent of Station Fire Burn

On September 6, 2009, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra satellite captured this simulated natural color image of the Station fire, burning ...

Space & Earth / Space Exploration

created Sep 09, 2009 | popularity 4.7 / 5 (3) | comments 0

A 'cloaking device' -- it's all done with mirrors

(PhysOrg.com) -- Somewhat the way Harry Potter can cover himself with a cloak and become invisible, Cornell researchers have developed a device that can make it seem that a bump in a carpet -- or, indeed, ...

Physics / Optics & Photonics

created May 13, 2009 | popularity 3.8 / 5 (16) | comments 6

Using math to design amazing mirrors

Mathematician Andrew Hicks was in his Drexel University office, puzzling over some problem he can no longer recall, when colleague Ron Perline walked in with a challenge. Fresh from his morning bicycle ride, Perline was unhappy ...

Other Sciences / Mathematics

created Jan 18, 2009 | popularity 4.4 / 5 (11) | comments 0