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Why a thermoelectric ice bath doesn't make sense

How metal detectors work and how to build one

Your comments improved the DIY grid-tie inverter

don't trust search engines

Thermochemical energy storage: an interesting way to store heat

Why use stacked disc insulators?

Transformer size and frequency

The world's first 'pickup' electric skateboard

some AI bs

Why rubber shoes (or crocs) don't prevent electric shock

Making a new propeller for my electric boat

The air conditioning paradox solved?

Home made grid-tie inverter (not even all that sketchy)

Home made solar tracker looking for the sun ☀

Wireless charging for EVs is surprisingly efficient

How to drive this weird electric motor

home-made motor test run

Switched reluctance motors: simple yet tricky

Home wind turbines don't make sense

Why class-D amplifiers are crazy efficient

Why wind turbines rotate clockwise

waterproof soldering on the cheap

Making a sun-tracking solar panel

iPhone 12 and its radiation