An English professor interested in photography is given a pair of special sunglasses by an Austrian colleague. To his surprise and boyish delight, he discovers they're X-ray specs, which ...
A doctor invents a machine that can turn people into sand then back back again.
A workman is accidentally sent into outer space, where he meets an alien that can make himself invisible. They return to Earth in the year 2447. Complications ensue.
An engineer, a psychologist and several other disparate types take part in an experiment to see if people can live for extended periods of time in a city built under the ocean.