Isis Wu, its president of global residential fire & safety, adds, "In the case of a fire, it'll send you an alert and it'll ask you to confirm before you call out the fire department."
"But you must keep up the exercise regime. Because you're staying fit in space, not for space itself, but for when you return back to the punishing gravity environment of Earth. Those first two or three days back on Earth can be really punishing."
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