![]() ![]() These robots are giant and more primitive than Speedy (for comparison, check out the history of cellphones to see how we got from giant, diesel-operated mobile communication to Angry Birds). There are some 10-year old robots lying around from the first (failed) expedition to Mercury.Powell and Donovan need to get Speedy back, but they can't do it themselves their inso-suits (insulation suits) will only keep them safe for 20 minutes in the sun (30). ![]() Still, when Asimov wrote this in the 1940s, that's what he thought, which is why Powell and Donovan need to worry about burning up: their HQ is always in the light. ![]() So we had this idea of Mercury having a sunny side and a dark side, which is a pretty cool image, but not actually true. (Yay, it's time for an astronomy history lesson: up until 1962, we used to think that Mercury was tidally locked-that is, we thought that one side of Mercury always faced the sun.See, Powell and Donovan need that selenium now in order to fix their "photo-cell banks"-and without those photo-cell banks, their Mercury headquarters is just going to burn up (24). In fact, Speedy is just circling and circling the pool of selenium (22), which is not only odd, but potentially going to lead to Powell and Donovan dying. ![]() Gregory Powell and Michael Donovan are on Mercury and they have a problem: they sent out a robot named Speedy to get selenium from a pool and Speedy hasn't come back yet. ![]()
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