It takes no more than a little push to get around in space. That's what NASA astronaut Karen Nyberg recently showed aboard the International Space Station.
To demonstrate the effects of weightlessness, Nyberg used a single strand of her own hair to propel herself. The brief experience was recorded on video and published by NASA on the internet.
Below is her pushing a blue lab rail with her hair:
Just out of curiosity, the astronaut arrived at the space station in late May and her return to Earth is scheduled for November 10. This is not the first time in Karen's space: she was already part of the Discovery crew on a mission that took place in 2008.