Over 100,000 reviewers adore this 'dentist-clean' electric toothbrush — and it's 25% off today

With proper, regular use, AquaSonic claims that the toothbrush can help whiten your teeth in as little as two weeks, and it ...
Hackaday

Teardown Of A Scam Ultrasonic Cleaner

Everyone knows that ultrasonic cleaners are great, but not every device that’s marketed as an ultrasonic cleaner is necessarily such a device. In a recent video on the Cheap & Cheerful YouTube channel ...