Landsat Looks to the Moon
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 m ... more
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Astronomers Bring The Third Dimension To A Doomed Star's Outburst
In the middle of the 19th century, the massive binary system Eta Carinae underwent an eruption that ejected at least 10 times the sun's mass and made it the second-brightest star in the sky. Now, a ... more
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First ever cyclone confronts flood-hit Kenya
Dams strain as water, death toll keep rising in south Brazil
Heatwave swells Asia's appetite for air-conditioning
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Consider the 'Anticrystal'
For the last century, the concept of crystals has been a mainstay of solid-state physics. Crystals are paragons of order; crystalline materials are defined by the repeating patterns their constituen ... more
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Power consumption of robot joints could be 40 percent less
Robots are being increasingly used in industrial processes because of their ability to carry out repetitive tasks in a precise, reliable way. Right now, digital controllers are used to drive the mot ... more
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Platonic solids generate their four-dimensional analogues
Alicia Boole Stott, the third daughter of mathematician George Boole, is probably best known for establishing the term "polytope" for a convex solid in four dimensions. Alicia was also a long time c ... more
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Inspired by Nature, Researchers Create Tougher Metal Materials
Drawing inspiration from the structure of bones and bamboo, researchers have found that by gradually changing the internal structure of metals they can make stronger, tougher materials that can be c ... more
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NASA Spacecraft Observes Further Evidence of Dry Ice Gullies on Mars
Repeated high-resolution observations made by NASA's Mars Reconnaissance Orbiter (MRO) indicate the gullies on Mars' surface are primarily formed by the seasonal freezing of carbon dioxide, not liqu ... more
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