p>A few weeks ago Ethereum blockchain moved from proof-of-work to a
proof-of-stake algorithm. This step alone reduced global energy
consumption by 0.2%. It’s as much as an energy usage of Austria. At this
point, Ethereum, the second largest blockchain after Bitcoin, is using
barely as much electricity as a few hundred households. How is that
possible? How does the proof-of-stake algorithm work, avoiding
catastrophic energy waste?
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#87: Artificial neural networks: imitating human brain to solve problems like humans

Podcast for developers, testers, SREs... and their managers. I explain complex and convoluted technologies in a clear way, avoiding buzzwords and hype. Never longer than 4 minutes and 16 seconds. Because software development does not require hours of lectures, dev advocates' slide decks and hand waving. For those of you, who want to combat FOMO, while brushing your teeth. 256 seconds is plenty of time. If I can't explain something within this time frame, it's either too complex, or I don't understand it myself. 

By Tomasz Nurkiewicz. Java Champion, CTO, trainer, O'Reilly author, blogger