Discussion of the Question 04/96
The question was:
The legend has it that Greeks, on the advice of Archimedes,
have burned the Roman ships by focusing
the sunlight (reflected from their shields) on the ships.
Is it possible?
When I was a child I was able to use an ordinary lense (3cm in diameter)
with a reasonable focal distance (10cm) to light a piece of wood. Therefore,...
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