We’ve all been flying high ever since the development of the jet engine in the mid-1950s. But why were jets were designed to fly at those high altitudes in the first place?
A ballpoint pen seems simple: press a button you can write, press again and put it in your pocket. Yet inside a clever mechanisms turns that simple push into all sorts of other motions. This video uses detailed animation to look inside the iconic Parker Jotter ink pen and see how it works.
José Mujica, nicknamed Pepe Mujica, was President of Uruguay from 2010 to 2015. A former Tupamaros freedom fighter in the 60s and the 70s, he was detained, like a hostage by the dictatorship between 1973 and 1985. He advocates a philosophy of life focused on sobriety: learn to live with what is necessary and fairest.
A hot sauce made exclusively from tabasco peppers vinegar and salt.
