News tagged with object

Fast, cheap and colorful 3-D printing

People are exploring the use of 3-D printing for wide-ranging applications, including manufacturing, medical devices, fashion and even food. But one of the most efficient forms of 3-D printing suffers from a major drawback: ...

dateAug 01, 2018 in Nanophysics
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Image: Speck from an asteroid

Seen on a microscopic support, this sharp-edged grain of rock is an extraterrestrial object – a tiny sample from the Itokawa asteroid, retrieved by Japan's Hayabusa mission and now being tested by ESA researchers.

dateAug 01, 2018 in Space Exploration
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Twenty years of planetary defense

On March 11, 1998, asteroid astronomers around the world received an ominous message: new observational data on the recently discovered asteroid 1997 XF11 suggested there was a chance that the half-mile-wide (nearly one kilometer) ...

dateJul 24, 2018 in Space Exploration
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Scanning in the fourth dimension

Three-dimensional (3-D) computed tomography is a widely used technology that visualizes an object's external and internal structure by assembling a series of two-dimensional images taken sequentially across or around it. ...

dateJul 02, 2018 in Engineering
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Unconfirmed near-Earth objects

Near-Earth objects (NEOs) are small solar system bodies whose orbits sometimes bring them close to the Earth, potentially threatening a collision. NEOs are tracers of the composition, dynamics and environmental conditions ...

dateJun 22, 2018 in Astronomy
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