Stories by C. L. Stong

Thin-layer chromatography: a convenient way of separating things that are very much alike

How an amateur can construct a model of an enzyme molecule at modest cost

Diverse topics, starting with how to supply-electric power to something that is turning

How to build and work with a Skinner box for the training of small animals

An amateur's version of A. A. Michelson's apparatus for measuring the speed of light

Electronic stratagems are the key-to making a sensitive seismometer

Graphs that predict when planets will line up with another planet or the sun

Among other things, a greenhouse shade that re-creates the lighting of the Tropics

Diverse topics, from enhanced astronomical photographs to an ingenious electric motor

Making a refractometer for the identification of liquids

An amateur undertakes the ultimate in mechanical precision, a ruling engine

The ultimate in sailing is a rig without a hull.

The pleasures and problems of raising snails in the home

A high school student builds a recording spectrophotometer

Hang gliding, or sky surfing, with a high-performance low-speed wing

Of cross-staffs, paraboloids, sun viewers and other useful tools and experiments

Electrostatic motors are powered by the electric field of the earth

A venerable clock is made highly accurate by equipping it with quartz-crystal works

An air flash lamp advances color schlieren photography

The polariscope as a measuring instrument and as a means of creating objects of art

An unusual kind of gas laser that puts out pulses in the ultraviolet

A plotting device for predicting the orbit of an earth satellite

Curious bubbles in which a gas encloses a liquid instead of the other way around

A new kind of spectrohelioscope for observing solar prominences