Interstellar probes will be eroded on the way to Alpha Centauri
Wafersats will blaze a trail for little, light spacecraftbreakthroughinitiatives.orgBy Jacob AronWhen you’re travelling at one-fifth the speed of light, even a small collision can hurt. Now we know exactly how much. A team working on a project to send tiny spacecraft to the stars have calculated the damage that hitting just a speck of dust could do....
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark