Trained roaches smuggle smokes, universe in a dish, watch-case phonographs…

Trained Cockroach smuggles smokes, nice hack – Link.

Inventors on the air, it’s like “American Inventor” but on the radio from the 1930’s (and I bet a lot better) – Link.

How the universe was formed (experiment!) – Link.

Watch-case phonograph – Link.

More future, back then @ Modern Mechanix – Link.