In the Arusha region of Tanzania, migrating elephants trample farmland and farmers’ livelihoods. A beehive fence has proved an ingenious solution, deterring elephants, supporting crop pollination, ...
The initial light system consisted of only two colors and, Morgan filed a patent for the warning light (yellow color) in 1922. The invention of Garret Morgan is still used and has helped to save lives ...
They’re such a simple invention, yet they’re pretty ingenious when you think about it. A few inches of wire twisted in just the right way to secure an entire stack of papers? Pretty cool. Without ...