50 Years Ago
- Humans
From the August 17, 1935, issue
Cactus gardening for a dry summer, Echo-sounding to locate fish, and suspended animation in humans.
- Humans
From the August 10, 1935, issue
A silencer for artificial lightning, a trigger for epilepsy, and light that keeps plants from growing.
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- Humans
From the July 27, 1935, issue
The geometry of honeycombs, high-energy, man-made gamma rays, and an electrical speed trap.
- Humans
From the July 20, 1935, issue
A warning sign for pilots, better methods for producing radioactive substances, and making potatoes grow better with ultrasound.
- Humans
From the July 13, 1935, issue
An artificial cavern with no echoes, a new theory from Albert Einstein, and an explanation for red shift.
- Humans
From the July 6, 1935, issue
A phantom ship on Crater Lake, a possible dietary cure for cancer, and an island universe in a cloud of dust.
- Humans
From the June 29, 1935, issue
Science and engineering in a photo-mural, organs grown outside the body, and inexpensive air conditioning.
- Humans
From the June 22, 1935, issue
Beauty in a police radio transmitter, a new aid in controlling diabetes, and mathematical help for cake bakers.
- Humans
From the June 15, 1935, issue
Dedication of a new observatory, Einstein proved correct, and mice shed light on epilepsy.
- Humans
From the June 8, 1935, issue
Ancient, titanic beasts at a museum, a test of vision theory, and ethylene gas and ripening fruit.
- Humans
From the June 1, 1935, issue
High-voltage circuit breakers, harnessing tides for electric power, and confirming the existence of the Sargasso Sea.
