While this stylish lever-based industrial coffee machine made by [exthemius] doesn’t exactly make textbook espresso, it’s pretty darn close. Think of it like an Aeropress on steroids ...

The film *Spinning Levers* explores the fundamental mechanics of levers and gears, illustrating their role in various everyday applications and in the complex workings of a car’s transmission.

Mechanical advantage is the amount of help you get using a machine in comparison to doing something with just human effort, and it is created by levers. Therefore, the mechanical advantage = 200 ...

Mechanical advantage is the amount of help you get using a machine in comparison to doing something with just human effort, and it is created by levers. Therefore, the mechanical advantage = 200 ...

While this stylish lever-based industrial coffee machine made by [exthemius] doesn’t exactly make textbook espresso, it’s pretty darn close. Think of it like an Aeropress on steroids ...

Don't worry about the test subject's safety, though—there's a handy machine-halting panic lever installed for when they inevitably realise they've made a terrible mistake. As Emily points out ...

Lever machines were key in making espresso popular throughout Italy and eventually worldwide, with Gaggia’s lever-driven machines making it possible to create the pressure needed to make good ...