Fail Of The Week: The Little Ultrasonic Knife That Couldn't

We all know the feeling of an idea that sounded great when it was rattling around in our head, only to disappoint when we actually build the thing. It's a natural consequence of trying new stuff, and

Premium Material: Capacity:6L;Input: 110V; Transducer quantity: 3 Sets; Ultrasonic power: 180W; Frequency: 40Khz; Heating power: 200W; 304 stainless

Mophorn 6L Ultrasonic Cleaner 304 Stainless Steel Professional Knob Control Ultrasonic Cleaners with HeaterTimer for Jewelry Watch Glasses Circuit

Microtech Ultratech failure to deploy/retract?

The ring pull failed, then the can opener fell to pieces : r/mildlyinfuriating

Chopper And Chopper-Stabilised Amplifiers, What Are They All About Then?

STOPWOOFER Ultrasonic Dog Training-Bark Control Device for Small Medium and Large Dogs-Dog Bark Deterrent Devices- Anti Barking Device up to 16.4 feet Range-Safe for Human & Dogs (Blue/Gray) : Pet

Tool Hacks, Hackaday

NEW Knives, The Weekly Cut

Tool Hacks, Hackaday

Ultrasonic kitchen knife by 369Sonic — Kickstarter

Can Open-source Hardware Be Like Open-source Software?

Tool Hacks, Hackaday