femtosecond
n.— «The shortest visible and infrared laser pulses are typically just a few femtoseconds…in duration and contain just a few cycles of the laser field.» —“Beating the femtosecond limit” Physics Web (Bristol, U.K.) Feb. 21, 2001. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...
Astronauts returning from space say they experience what’s called the overview effect, a new understanding of the fragility of our planet and our need to reflect on what humans all share as a species. A book about the end of the universe...