The shortest period measured by scientists, according to the provided reference, is one zeptosecond. More specifically, one trillion zeptoseconds pass in the time it takes light to travel 30 centimeters.
Here's a breakdown:
- A zeptosecond is an incredibly tiny unit of time.
- The video "How scientists measured the shortest time ever" on YouTube explains (0:00-7:19) that light travels 30 centimeters in one trillion zeptoseconds.
In essence, scientists have been able to measure events happening on the scale of zeptoseconds.
