/sci/ - Science & Math

Today in history:
>320 – Pappus of Alexandria, Greek philosopher, observes an eclipse of the Sun and writes a commentary on The Great Astronomer (Almagest).
>1945 – The USSR's nuclear programme receives plans for the United States plutonium bomb from Klaus Fuchs at the Los Alamos National Laboratory.
>1963 – Félicette, a black and white female Parisian stray cat, becomes the first cat launched into space.
>1967 – The Soviet probe Venera 4 reaches Venus and becomes the first spacecraft to measure the atmosphere of another planet.