[Elite Worm] had a problem; there had been two minor burglaries from a storage unit. The unit had thick concrete walls, cellular signal was poor down there, and permanent wiring …read more (https://hackaday.com/2022/01/28/long-range-burglar-alarm-relies-on-lora-modules/)

Acoustic Switching Transistors: A new Kind of Electronics?
https://hackaday.com/2022/01/28/acoustic-switching-transistors-a-new-kind-of-electronics/

Have you ever heard of topological insulators? These are exotic materials where electricity flows only on the surface with very little loss. Now, according to IEEE Spectrum, scientists at Harvard …read more (https://hackaday.com/2022/01/28/acoustic-switching-transistors-a-new-kind-of-electronics/)

The Air Multiplier Fan Principle, Applied To A Jet Engine
https://hackaday.com/2022/01/28/the-air-multiplier-fan-principle-applied-to-a-jet-engine/

Many readers will be familiar with the Dyson Air Multiplier, an ingenious bladeless fan design in which a compressor pushes jets of air from the inside edge of a large …read more (https://hackaday.com/2022/01/28/the-air-multiplier-fan-principle-applied-to-a-jet-engine/)

Radio Control Joby Aircraft Uses Six Tiltrotors To Fly
https://hackaday.com/2022/01/29/radio-control-joby-aircraft-uses-six-tiltrotors-to-fly/

eVTOL (Electric Vertical Take-off and Landing) craft are some of the more exciting air vehicles being developed lately. They aim to combine the maneuverability and landing benefits of helicopters with …read more (https://hackaday.com/2022/01/29/radio-control-joby-aircraft-uses-six-tiltrotors-to-fly/)

3D Printer Showdown: $350 Consumer vs $73,000 Pro Machine
https://hackaday.com/2022/01/29/3d-printer-showdown-350-consumer-vs-73000-pro-machine/

The quality of consumer-grade 3D printing has gone way up in recent years. Resin printers, in particular, can produce amazing results and they get less expensive every day. [Squidmar] took …read more (https://hackaday.com/2022/01/29/3d-printer-showdown-350-consumer-vs-73000-pro-machine/)

Code Wrong: Expand Your Mind
https://hackaday.com/2022/01/29/code-wrong-expand-your-mind/

The really nice thing about doing something the “wrong” way is that there’s just so much variety! If you’re doing something the right way, the fastest way, or the optimal …read more (https://hackaday.com/2022/01/29/code-wrong-expand-your-mind/)

Blast Chips with This BBQ Lighter Fault Injection Tool
https://hackaday.com/2022/01/29/blast-chips-with-this-bbq-lighter-fault-injection-tool/

Looking to get into fault injection for your reverse engineering projects, but don’t have the cash to lay out for the necessary hardware? Fear not, for the tools to glitch …read more (https://hackaday.com/2022/01/29/blast-chips-with-this-bbq-lighter-fault-injection-tool/)

Apollo Guidance Computer Gets the Rust Treatment
https://hackaday.com/2022/01/29/apollo-guidance-computer-gets-the-rust-treatment/