News tagged with light reflection

Bright white rooms key to energy savings

Trials testing the effect of interior paints containing titanium dioxide on the energy required to light a room have reconfirmed the naturally occurring oxide's ability to reduce energy consumption and counteract ...

Sep 19, 2013
5 / 5 (1) 0

Asteroid zips by Orion nebula

(Phys.org) —This image shows the potentially hazardous near-Earth object 1998 KN3 as it zips past a cloud of dense gas and dust near the Orion nebula. NEOWISE, the asteroid-hunting portion of the Wide-field ...

Aug 26, 2013
4 / 5 (3) 0

Quasar observed in six separate light reflections

(Phys.org) —Quasars are active black holes—primarily from the early universe. Using a special method where you observe light that has been bent by gravity on its way through the universe, a group of physics ...

Aug 07, 2013
5 / 5 (10) 61 | with audio podcast

Gravity waves and sunglint, lake superior

From the vantage point of the International Space Station, astronauts frequently observe atmospheric and surface phenomena in ways that are impossible to view from the ground. Two such phenomena—gravity ...

Jul 23, 2013
3.5 / 5 (2) 0 | with audio podcast