My guess on this one (without using mirrors): Point the bottom of an empty can at the sun. The shadow inside the can now points in the direction of the sun, though the definition of "in the direction of the sun" in this case is debatable. -Bill
On Mon, Mar 11, 2024 at 9:33 AM Chris Lusby Taylor <clusbytay...@gmail.com> wrote: > This reader has so far failed to see how a shadow can be in the same > direction as the light source, if by that Frank means that it is between > the object and the light. Perhaps Frank will enlighten us at next month's > annual British Sundial Society Conference. > >> >> Date: Mon, 11 Mar 2024 09:01:46 +0000 >> From: Frank King <f...@cl.cam.ac.uk> >> Of course, a shadow CAN be in the same direcion as the light. I'll leave >> that as an exercise for the reader :-) >> >
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