Flipper Zero is a versatile multi-tool, based on ultra low power STM32 MCU for daily exploring of access control systems and radio protocols. Fully open source and customisable.

an interactive guide

The pictures were taken for science, but found a wider audience because they're gorgeous and a little trippy.

After the US invasion of Afghanistan in 2001, Osama Bin Laden fled his base in Kandahar - 1,500 cassettes were discovered inside one of the compounds where al-Qaeda used to meet.