Space Elevator and the Controversial ‘Wobble’ Problem

 Space Elevator and the Controversial ‘Wobble’ Problem

If an elevator stretching from Earth into space could ever be built, it could slash the cost of space travel. But a controversial new study suggests that building and maintaining one would be an even bigger challenge than previously thought, because it would need to include built-in thrusters to stabilize itself against dangerous vibrations.

Photos and video after the jump.

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Japanese Astronaut Finds Boomerangs Come Back In Space

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Japanese astronaut Takao Doi has thrown a boomerang in space and found, to the surprise of many, that it does come back.

The 53-year-old conducted an experiment aboard the International Space Station (ISS) on Tuesday, Japanese time, to see whether boomerangs fly back in space. Many had predicted that it wouldn’t but Doi confirmed that it did indeed return to him.

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Video Games are the Hot New Ad Space

Video Games are the Hot New Ad Space

Video-game advertising comprises a number of different segments, and they are all seeing plenty of action. Overall, eMarketer projects that US in-game advertising spending will increase from $295 million in 2007 to $650 million in 2012.

In-game advertising spending is buoyed by a vibrant video game industry that is enjoying unprecedented growth. eMarketer projects that video game software and hardware sales will increase to $21 billion in 2012.

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