In this detailed tutorial, we guide you through the process of making a zig-zag oil groove cutting tool on a lathe, a must-have accessory for precision machining. Zig-zag oil grooves are essential ...

Felix Baumgartner set multiple world records in 2012 during a fall that broke the sound barrier.

Extreme athlete Felix Baumgartner, the first skydiver to fall faster than the speed of sound more than a decade ago, died in a crash Thursday along the eastern coast of Italy.