Prisoners' Inventions [99% SAFE]

It’s not just small-scale cell hacks; some inventions created behind bars have changed the world. Did you know the as we know it was invented in a cell? In the 1770s, William Addis was serving time in London’s Newgate Prison when he took a small animal bone and glued bristles to it. Upon his release, he founded Wisdom Toothbrushes , a company that still exists today. Why It Matters Prisoners' Inventions | Prison Photography

are made by scraping ink off magazine advertisements and mixing it with body lotion. Prisoners' Inventions

Cooking is perhaps where prisoners show the most innovation. In Italian maximum-security prisons, the Moka coffee maker It’s not just small-scale cell hacks; some inventions