Recent content by Fourth Root

Who else noticed something glaringly wrong about the photo?

Liquid hydrogen rockets do not produce carbon residues. As suggested by the name, they burn hydrogen, not carbon. However, RP-1, another common rocket fuel, does. Also, title and first couple paragraphs of the article are misleading. The proposal isn't to use methane already on mars. But to make...

Twice in the article you placed commas in confusing and incorrect positions in the numbers. Once at "will explode in about 10 to the 1,1000th years " Another at "which he expects will be in about 10^3,2000 years." Those numbers are now ambiguous and meaningless. How could this same obvious...

Misleading wording. Bob White did not set the world altitude record on July 17th, 1962. Four Astronauts and two cosmonauts had flown higher prior to his flight. One could say it was the highest manned flight of a winged craft. But that's not the wording that was used.