Hat tip to Hackaday for this one. It turns out that a nanosecond is the time it takes light to travel 11.8 inches. A very handy rule of thumb to have around as you explain large distances and small times.
Random Walks
Mr. Chase blogs about math
Hat tip to Hackaday for this one. It turns out that a nanosecond is the time it takes light to travel 11.8 inches. A very handy rule of thumb to have around as you explain large distances and small times.
Random Walks 