Below you'll find a list of all posts that have been tagged as “metal”
The invention of the duckbill speculum in 1845 revolutionized gynaecology. Up until then, doctors had been using the bills of actual ducks (usually dead ones). American doctor and animal rights activist J. Marion Sims felt there had to be a better way and set out to find it. After numerous experiments on volunteers (South Carolina slaves volunteered by their owners, …
In 1962, Berlin astronomer Johann Dunkeldorf, a 15-year-old Wunderkind and Nobel laureate, made a shocking discovery: our sun will expire one day and then Earth will be shrouded in eternal darkness. Dunkeldorf was a unique product of the Cold War, as he had been conceived and later born in the no-man’s land between the American and Soviet zones of Berlin. …
When iron was first discovered, back in the Bronze Age, it didn’t seem much of an improvement over the then-traditional copper-tin alloy. Iron was twice as hard, but this benefit quickly vanished once it started to corrode -which it did a lot faster than bronze. Iron has a not-so-secret boner for oxygen, and that feeling is mutual, so the two …
