At 70, Lela Hartman believed we would one day use technology to prevent disasters like the Tri-State Tornado she witnessed as a small child. Are we getting any closer?
Nostalgic for the nostalgia of yesterday? Popular Science had a thriving enterprise in the 1930s that looked back at wacky inventions from earlier years.
One mine in 1919 South Africa had a foolproof way to see whether its miners were smuggling out raw diamonds: it gave them a radiation-laden scan at the end of every shift.