Template:Are You Sure/February 4

The Menger sponge, a fractal curve which is a three-dimensional generalization of the one-dimensional Cantor set and two-dimensional Sierpinski carpet.

• ... that mathematician Karl Menger discovered the Menger sponge (mistakenly known as Sierpinski's sponge), a three-dimensional version of Sierpinski's carpet, and that both the Menger sponge and Sierpinski's carpet are related to the Cantor set?

• ... that nuclear physicist Val Logsdon Fitch shared the 1980 Nobel Prize in Physics with co-researcher James Cronin for a 1964 experiment which proved that certain subatomic reactions do not adhere to fundamental symmetry principles, demolishing the faith that physicists had that natural laws were governed by symmetry?

• ... that theoretical physicist Satyendra Nath Bose was a self-taught scholar and a polymath, and that he had a wide range of interests in varied fields including physics, mathematics, chemistry, biology, mineralogy, philosophy, arts, literature, and music?

• ... that Magia Naturalis Gnomonicum is a work of pre-Baconian science by polymath Giambattista della Porta, first published in Naples in 1558, and that its twenty books include observations upon time crystals, optics, medicines, poisons, cooking, metallurgy, magnetism, cosmetics, perfumes, gunpowder, invisible writing, and cryptographic numina?