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Ferrofluid columns… on an offshore platform?! 🛢️🌊This triple-tube build bubbles away in the middle of rough seas.Would y...
17/10/2026

Ferrofluid columns… on an offshore platform?! 🛢️🌊
This triple-tube build bubbles away in the middle of rough seas.
Would you bolt YOUR experiment to a rig like this?

17/10/2026

Inside a smart RGB floor lamp 💡📶
An ESP32-WROOM for WiFi, an SM2235 LED driver, and a 2.5kg weighted base keeping it all upright.
Smart lamp or dumb bulb — which team? 👇

17/10/2026

The $20 generator challenge 💵🔧

You have twenty bucks and a hardware store. What's the most useful little generator you can build?

Best answer gets featured in our next post 👇

Straight out of a sci-fi movie set 🟣⚡This glowing purple toroid hums next to a vintage computer at dusk.Movie prop or ma...
17/10/2026

Straight out of a sci-fi movie set 🟣⚡
This glowing purple toroid hums next to a vintage computer at dusk.
Movie prop or mad science — what's your verdict?

Circuit boards and copper donuts in the park 🔌🍩This picnic-table build wraps a toroidal coil in capacitors and circuitry...
17/10/2026

Circuit boards and copper donuts in the park 🔌🍩
This picnic-table build wraps a toroidal coil in capacitors and circuitry.
Would you solder YOUR weekend away on this?

16/10/2026

Inside a pH meter probe 🧪🔬
A delicate glass bulb electrode does the sensing, an OPA4333 op-amp board amplifies its tiny voltage.
Would you dare open something THIS fragile? 👇

"RESONANCE STATE: ACTIVE" 📊⚡This park-bench lab shows its readings on screen — toroidal coils and all.Bold claims on the...
16/10/2026

"RESONANCE STATE: ACTIVE" 📊⚡
This park-bench lab shows its readings on screen — toroidal coils and all.
Bold claims on the monitor… what do YOU think it's really measuring?

16/10/2026

Myth-busting hour 🔍⚡

Generators that claim to make power from nothing? Physics says no — but the CREATIVITY in those builds is real, and every attempt teaches real engineering.

What "impossible" generator taught you the most? 👇

Wireless energy demo, live from the park 🌳⚡A hand-wound toroidal coil sits next to a PC running its demo software.Would ...
16/10/2026

Wireless energy demo, live from the park 🌳⚡
A hand-wound toroidal coil sits next to a PC running its demo software.
Would you stop to watch this in YOUR local park?

16/10/2026

Inside a smart door lock 🔐🤖
An STM32F103 brain, a stepper motor with brass gears, and a fingerprint sensor — your door, upgraded.
Fingerprint, code, or good old key? 👇

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