xkcd Answers How Many Fireflies It Would Take to Match the Brightness of the Sun
by Glen Tickle from Laughing Squid on (#1MXWW)
In the continuing What If? series, xkcd artist Randall Munroe answers the reader-submitted question, "How many fireflies would it take to match the brightness of the Sun?" The explanation includes how fireflies create their light and the best way to logically match the Sun's brightness with fireflies.
image via xkcd