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An older man with long white hair and a suit looks at the camera, standing in front of a blurred background with bookshelves.
11mins
The Big Think Interview
Michio Kaku: Why we don’t even rank on the Kardashev scale
"We're stuck at type zero. But what would it take to move between universes? What would it take to enter a black hole? What would it take to break the light barrier?"
Michio Kaku
A vintage, hexagonal brooch featuring a realistic painted human eye in the center, surrounded by a metallic frame.
2mins
The Well
The case for useless knowledge
Astrobiologist Betül Kaçar on why the simple act of asking questions (without needing a reason) is one of the most powerful things a human can do.
Betül Kaçar 
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