My only experience with a slide rule is a Hughes-Owens Versatrig, which is made from some bamboo-like material. Knowing that metal slide rules were widely used

My only experience with a slide rule is a Hughes-Owens Versatrig, which is made from some bamboo-like material. Knowing that metal slide rules were widely used makes me think that IKEA might come up with this “revolutionary” kitchen gadget in the next decade or two.