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So where are the extraterrestrial beings?
Not so very long ago, astronomers were theorising about life on practically every planet in the solar system whereas today the Earth is sometimes envisaged as the only haven for living beings... have the extraterrestrial beings disappeared in-between times?
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The rapid growth of New Space
For several years, entrepreneurs have been aspiring to develop a new approach to the space industry and targeting a reduction in launch costs. Is the private sector going to revolutionise human space flight?
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Avatar’s Venture Star
The spaceship from James Cameron’s film is far less fanciful than it appears and even plausibly deals with several problems posed by interstellar travel.
Gloves for the cold
In the Japanese laboratory Kibo on the ISS, the American Tracey Caldwell Dyson operates the MELFI (Minus Eighty Laboratory Freezer for the ISS), a sort of freezer which allows experiments to be performed at up to -80 °C. To protect her hands from the cold, she wears gloves. At these temperatures, skin can indeed sometimes stay stuck to the metal!
Image credit: NASA
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