Did We Accidentally Launch a Manhole Cover Into Orbit?
One nuclear test in the 1950s may have accidentally launched a steel cap into space at speeds faster than any spacecraft.
A Nuclear Manhole Cover: Did It Beat Sputnik?
Nuclear testing in 1957 may have accidentally launched a manhole cover into space months before Sputnik, but did it really escape Earth?
Did We Accidentally Launch a Manhole Cover Into Space?
Mysterious Cold War nuclear test may have turned an ordinary manhole cover into humanity’s first accidental space traveler.
Did We Accidentally Launch a Manhole Cover Into Orbit?
Find out how a nuclear test in Nevada might have accidentally launched a steel cap into space before Sputnik existed.
Did a Nuclear Manhole Cover Beat Sputnik Into Space?
This bizarre Cold War tale suggests a humble manhole cover might have become Earth’s first human-made object in space.