Astronauts mix cement on the ISS, paving the way for future space colonies
[ad_1] Thus, compared to the cement mixed with the earth, the cement mixed in the space has a more uniform density (which makes it more resistant), but it is also more porous (which weakens it). Or, as Radlinska explains, "we have opposite effects that occur simultaneously! To determine if the more uniform, but more mellow, … Read more