2026-03-12 23:09 UTC
@josgeluk @robinhouston I lived there, a wonderfully stimulating environment. Older students told me that a concrete container (precisely calculated) had been sunk in the pond of the (then) applied mathematics building. It would surface at the time of the new moon (the sun and moon are in direct line from the Earth). Unfortunately, the container never surfaced.
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@orpach.neocities.org@bsky.brid.gy 2026-03-13 10:09
Even a bit of dirt or resistance from sticking in mud would throw that off. I think the only way to get that to work is if your body of water is large enough to have tides.