Does glass sag over time? Glass, usually made of silicon dioxide,doesn't change its shape over the short timescales relevant to humans, says chemist Paddy Royall of the University of Bristol, England. (If it does change shape, that process takes billions of years.) Is ice a true solid?
But burning a log and releasing all that CO2 does not tamper with the atmosphere’s carbon levels. Why? Because the carbon that’s being released was recently in the atmosphere, and if you hadn’t set the log on fire, it would have likely decomposed, which would release the carbon back...
This sounds hard to do, but it may be possible if we develop radically new methods of propulsion, leaving the source of energy on the ground so that each spacecraft does not need to carry its own fuel. The source of energy for launching payloads from the ground into space should be ...