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Blockchain 101 - A Visual Demo17:50

Blockchain 101 - A Visual Demo

3.3M views • 10 years ago
Anders Brownworth
Anders Brownworth gives a basic visual introduction to blockchain using an interactive web demo, covering SHA256 hashes, blocks, chains, distribution, tokens and coinbase transactions.
Topic match · Cryptography
How to Heat a Swimming Pool with an Air Conditioner | Ask This Old House7:26

How to Heat a Swimming Pool with an Air Conditioner | Ask This Old House

1.2M views • 10 years ago
This Old House
A This Old House segment where Richard Trethewey installs a heat exchanger that uses waste heat from a central air conditioner to heat a swimming pool.