Zero 2 Infinity, a Spanish company based in Barcelona, is developing a balloon to lift space tourists and payloads to an altitude of 36 kilometers. Credit: Zero 2 Infinity YouTube screenshot SAN ...
Zero and infinity. These seemingly opposite, obvious, and indispensable concepts are relatively recent human inventions. Discover the surprising story of how these key concepts that revolutionized ...
A set of the six sides of a die matches up one-to-one with a set of red shoes, helping illustrate Georg Cantor's set theorem. Image courtesy of GBH/NOVA It can be easy to take math for granted. But ...
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