Tommy Cooper's shyness is so crippling, he's failing his college courses. At the request of his sister, Dr. Bentley of the psychology department puts Tommy under hypnosis to find the cause of his fears. Instead, the young man claims to be Jack Welsch, a murderer hanged in 1888.
A geophysics professor uses his revolutionary new microscope to make a startling discovery: certain crystals act as photographic film. Examining prehistoric rocks, he's able to see images of dinosaurs; glass formed by an atomic test show him the mushroom cloud.
A German scientist appears in Washington 20 years after supposedly being lost in a South American jungle. He's brought with him an antibiotic so powerful that it prevents and cures every known disease in world. Just before mass inoculations are to begin, two government researchers discover it's dangerous side effect.
Elderly Dr. Milton has been developing a computerized device that translates one's brain waves into written text. Following the senior scientist's death, Dr. Cathcart continues his work with the "mind writer," using it to decipher the final thoughts from the late doctor's brain.
Dr. Vincent Milhurst confesses to some fellow scientists that he did not devise the calculations that make stable satellites possible. Instead, they came from an unknown voice on a newly-found radio frequency. When they finally trace the signal, they discover it's originating 367 million miles away from Earth.
Since becoming Dr. Kendall assistant, college student Britt has gained incredible strength, and can run a mile in about three minutes. A nosy reporter, along with Britt's fiance, begin snooping to find out what kind of "Frankenstein"-type experiments the doctor is conducting.
A scientist's new TV ratings device can tell what channel a person's watching just by aiming an antenna at their house. He's perplexed when it registers a channel 84--a channel that doesn't exist--coming from the apartment of an elderly gentleman. A government UFO investigator becomes involved, convinced the old man isn't receiving information, but transmitting it to an alien craft.