Professor Martyn Poliakoff of Periodic Table Videos fame learns something about burning balloons full of hydrogen via high speed camera footage.
The race is on: India by 2020, China by 2025 - will the US get there at all?
There must be something about cupcakes and the periodic table of the elements. Not sure who did it first, but now it is ubiquitous. Then of course there is The Periodic Table of Cupcakes, which is a whole other matter. [more inside]
Light Reflection: a brilliant fan of cryogenics venting from a relief valve on STS-122 Atlantis' ET (external tank) post-separation. Also see this handheld video of the ET, with money shots at 2:15 and 3:55. [more inside]