#1950: Migratable

Furniture legs tend to dig into floor coverings and create craters.

Today’s invention is a coffee table which helps to avoid damaging the rug or carpet upon which it is placed (and without relying on big ugly discs under the legs of the furniture).

The table would would be constructed in a light wood and have perhaps four thin metal coasters set into the top surface.

When hot cups were placed on these (without saucers) each coaster would act as the hot reservoir of a small Stirling engine, built into the underside of the table.

The engines would drive casters so that the table would reposition itself a little, each time it was used, and thus save the floor covering (albeit at the expense of slighlty cooler tea).

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