joules, respectively.
Hirsch presented his analysis at a
scientific meeting. In an e-mail to me, he
added:
A day after the lecture was given
an attendee came to me telling me that
in the creek on the site where the duel
took place one could find stones of
Barium Sulphate which had a mass
density of 4.2 grams/cc (compared to
about 2.4 in usually found stones). If
David chose one of those to use
against Goliath it gave him significant
advantage in addition to the
calculated numbers brought in the