“I hypothesized that the body doesn’t need food itself, merely the chemicals and elements it contains,” wrote Robert Rhinehart on his blog a year ago.

This month, his product Soylent ships for the first time to 20,000 customers.

It’s an oat-y substance, with a “very minimal and non-specific” taste that contains all the nutrients that the human body needs to power itself and to stay healthy.

It sounds somewhat distopian, has a marketing video that feels almost satirical, and has its fair share of critics. But it just might change the world.

All about it here.