BT
@aklsuhfv · 5 февр. 2017 г.
@elonmusk What do you see as the single biggest obstacle to electric jets currently?
Elon Musk
@elonmusk
Gravimetric energy density of batteries and achieving a high cell mass fraction
17:53 · 5 февраля 2017 г. · 0 просмотров
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