The cheap Chinese bulb that wont turn off

The first 200 people to sign up at will get 20 off an annual subscription that gives you access to the full archive of Daily Challenges and every single course. Check out Mehdi s video over on ElectroBOOM here: These LED bulbs will continue to draw power from the mains indefinitely even once they re switched off and the circuit is broken. But how You can buy my books here: You can support me on Patreon here: just like these amazing people: Glenn Watson Peter Turner Joël van der Loo Matthew Cocke Mark Brouwer Deneb Twitter: Instagram: Facebook: Buy nerdy maths things: