progress
Gears Were One of Humanity’s First Technologies. What Happens When We Rethink Them?
For thousands of years, gears have quietly carried civilization forward.…
Humanity's 10 Most Expensive Creations
What is the price of a dream? What is the cost of discovery, of security, or…
LOOK: In Rural Zimbabwe, These Solar-Powered Tricycles Give Women New Opportunities for Income and Independence.
In a small village in Zimbabwe, a woman once sat quietly at the edges of her…