Stories by C. L. Stong

The voiceprints of birdsongs and cockroaches in a maze

Weather-satellite pictures are picked up in the home

A cold camera for astronomical photography and cardboard segments for big paraboloids

A sensitive mercury tiltmeter that serves as a seismometer

Moiré patterns draw contours, and a meter determ.ines current in electrostatic circuits

A high school physics club builds electron microscopes

Water droplets that float on water, and Lissajous figures made with a pendulum

How to blow bubbles that survive for years

A laser beam and a photocell are used to measure the dirt content of water

Microelectronic flip-flops and NAND gates add up to a high-speed counter

Machines that work like muscles, and how Maxwell's demon was captured in a bottle

Infrared for the amateur: infrared diode lasers and an infrared filter

Molecular models and an interferometer that can be constructed at modest cost

An inexpensively modified transistor radio is used in several entertaining experiments

The joys of culturing spiders and investigating their webs

Sound waves and radio waves are recorded on film by means of a precooling process

An observatory built in a pond provides a good view of aquatic animals and plants

Mead, the drink of the Vikings, can be made (legally) by fermenting honey in the home

A compact short-focus telescope with spherical optical surfaces

An amateur makes a wind tunnel to study the vortexes that form around a cylinder

Outdoor temperature, humidity, wind speed and wind direction are displayed on a panel

Advice is offered on equipment and safety procedures for a forthcoming solar eclipse

What happens to the fluid in the tanks of a spacecraft falling freely in space?

A simple motor with compensating devices is the key to a homemade chart recorder