Posts by mick

NASA postpones Discovery ISS jaunt

fuel movement

As I understand it from reading the NASA article:

As the external tank empties a vacuum is created above the liquid hydrogen left in the tank this cannot be vented to air for obvious reasons. The engines convert some of the liquid hydrogen fuel to gaseous hydrogen and return it to the tank to equalise the pressure.

Messenger delivers more Mercury postcards

Colour

I believe they are in colour as the images on the site show earth in colour and this image has text indicating that it is in colour:

http://www.nasa.gov/mission_pages/messenger/multimedia/flyby2_20081007_2.html

Bosch strategy boutique fails greenwash test

Carbon neutral

I'm sure they own a rainforest or two to offset the odd launch here and there

Chinese boffins crack invisible-shed window problem

floating eyes

floating eyes, lol