Daily Archives: September 7, 2012

How Astronauts Used a Toothbrush to Fix Space Station: Scientific American

It took hard work, determination and some MacGyver-esque ingenuity for a pair of spacewalking astronauts to fix a key power system aboard the International Space Station Wednesday (Sept. 5). NASA spaceflyer Sunita Williams and Japanese astronaut Akihiko Hoshide spent nearly … Continue reading

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This Is the Most Expensive Penny in the Universe

This is the most expensive penny in the Universe. It’s now on Mars, after an exciting $2.5 billion ride. Previously, the most expensive Lincoln penny in history was a 1943 copper-alloy cent that was sold for $1.7 million in a … Continue reading

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