View source for Template:Are You Sure/April 24

• ... that cosmonaut Vladimir Komarov died in '''[[Soyuz 1 (nonfiction)|Soyuz 1]]''' when its parachute fails to open, and that Komarov is the first human to die during a space mission?

• ... that mathematician and physicist '''[[Thomas Fincke (nonfiction)|Thomas Fincke]]''' introduced the modern names of the trigonometric functions tangent and secant?

• ... that film directors John Carpenter and David Lynch released separate director's cuts of their collaborative film '''''[[Assault on Eraserhead 13]]'''''?

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