This is a easy, portable and cheap DIY project to make a electromagnetic pulse (EMP).Follow the few steps and you got yourself your own EMP to disable or destroy electronic devices (this EMP is only strong enough to destroy a calculator).
Infographic: Electricity A visual cheat sheet. - Infographic: ElectricityA visual cheat sheet about electrical physics, containing the most important formulas of current and Ohm’s law expressed through an impossible water circuit analogy.
One of the world's longest running open source software projects will live on, thanks to a Romanian bitcoin baron. It's yet another example of the bitcoin community working to boost the fortunes of the wider world of open source software.