Cool roofs can help keep buildings cool, thus lowering the building's energy use, while also mitigating the urban heat island effect by reflecting sunlight away from buildings and cities. But as cool roofs age and get soiled, ...
New NASA data find the snowpack in the Tuolumne River Basin in California's Sierra Nevada—a major source of water for millions of Californians—currently contains just 40 percent as much water as it did near this time ...
You can be thankful that we bask in the glow of a relatively placid star. Currently about halfway along its 10 billion year career on the Main Sequence, our sun fuses hydrogen into helium in a battle against gravitational ...
Researchers at the Department of Energy's SLAC National Accelerator Laboratory watched nanoscale semiconductor crystals expand and shrink in response to powerful pulses of laser light. This ultrafast "breathing" provides ...
Standards are a key part of technical progress and for the increased use of renewable energy.
Apple became the first company to reach a market value of $700 billion Tuesday as shares vaulted amid upbeat news on the US tech giant's gains in the smartphone market and soon-to-arrive smartwatch.
Vast ranges of volcanoes hidden under the oceans are presumed by scientists to be the gentle giants of the planet, oozing lava at slow, steady rates along mid-ocean ridges. But a new study shows that they flare up on strikingly ...
Rosetta is revealing its host comet as having a remarkable array of surface features and with many processes contributing to its activity, painting a complex picture of its evolution.
Urban cyclists have more in common than an aptitude for pedaling through city streets - they share the ever-present dread of one day discovering their bicycle missing from the bike rack, or finding only the skeletal remains ...
Solar flares can release the energy equivalent of many atomic bombs, enough to cut out satellite communications and damage power grids on Earth, 93 million miles away. The flares arise from twisted magnetic fields that occur ...
