Tractor beams -- the ability to trap and move objects using laser light -- are the stuff of science fiction, but a team of NASA scientists has won funding to study the concept for remotely capturing planetary or atmospheric ...
General Physics
Oct 31, 2011
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Tractor beams, energy rays that can move objects, are a science fiction mainstay. But now they are becoming a reality -- at least for moving very tiny objects.
General Physics
Sep 8, 2010
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(PhysOrg.com) -- British space engineers working for a space company in Stevenage in England, have designed a "gravity tractor" spacecraft to deflect any asteroids threatening to collide with Earth. The announcement comes ...
On Feb. 10, 2009, disaster struck hundreds of miles above the Siberian Peninsula. That evening, a defunct Russian satellite orbiting Earth crashed into a communications satellite called Iridium 33 moving at a speed of thousands ...
Space Exploration
Jun 1, 2023
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The Russia incident was a warning.
Astronomy
Nov 29, 2021
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The idea of avoiding asteroid impacts has featured prominently in the public's mind for decades—especially since the release of movies such as Deep Impact and Armageddon. But is using a nuclear explosion the best way to ...
Space Exploration
Oct 18, 2021
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This weekend, a Chinese rocket booster, weighing nearly 23 tons, came rushing back to Earth after spending more than a week in space—the result of what some critics, including NASA Administrator Bill Nelson, have attributed ...
Space Exploration
May 13, 2021
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Agricultural mechanisation is on the rise in Africa, replacing hand hoes and animal traction across the continent. While around 80-90% of all farmers still rely on manual labour or draught animals, this is changing, driven ...
Environment
Dec 29, 2020
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When it comes to nifty farm gadgets and technology, there are many neat tools. Tractor guidance is definitely one of them, thanks to how it helps farmers better use their resources.
Environment
Jun 29, 2020
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A new prototype system that monitors the number and type of tractor-trailers moving through a region could help transportation planners identify and prioritize infrastructure projects and increase operational efficiency.
Engineering
Feb 11, 2019
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