I proved you can't trust wifi security by hacking my neighbour's wifi
Yup, you read that right: I've just admitted something illegal (don't worry, this neighbour is a café and their wifi is supposed to be public anyway). And I did it just to make a point: do not trust your wifi's security, no matter how complicated your password is. Read more... Last modified: 20 June 2021 20:55:37.

I charged my phone with a bicycle dynamo
Long, long ago, when you weren't born yet, I created a post on my old blog about a phone charger I made that worked on a bicycle dynamo. And I found that old post back, so I'm posting it here again. Read more... Last modified: 17 November 2022 13:22:11.