Huh? Interjections: The Crucial Signals That Regulate Our Conversations
Utterances like um, wow, and mm-hmm aren’t garbage—they keep conversations flowing.
Space & Astronomy
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Turning the Moon into a fuel depot would demand enormous power, with about 24 kWh per kilogram of oxygen, requiring massive infrastructure to refuel rockets.
Getting oxygen from regolith takes 24 kWh per kilogram, and we’d need tonnes.
Moon Fuel Depot Requires Massive Power: 24 kWh per Kilogram of Oxygen
Getting oxygen from regolith takes 24 kWh per kilogram, and we’d need tonnes.