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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

sa   LIGHT
sa   SOUND

Was Einstein wrong? An explaination of the theory of general relativity.
ASTRONOMY Jan 1980 (v.8#1) pg. 67

Two simple experiments that demonstrate the effects of air pressure.
BOYS' LIFE Dec 1976 (v.66#12) pg. 57

Simulation of motion with a personal computer. Part 3. Model rockets and other flying objects.
BYTE Jan 1978 (v.3#1) pg. 144
Correction BYTE May 1978 (v.3#5) pg. 155

Simulation of motion with a personal computer. Part 4. Extended objects and applications for boating.
BYTE Feb 1978 (v.3#2) pg. 42

Simulate physical systems using a computer. BASIC program for the PET computer simulates an ideal two-dimensional gas.
BYTE Apr 1979 (v.4#4) pg. 26

Exploring ballistics with your computer. Written in North Star BASIC.
BYTE Sep 1980 (v.5#9) pg. 270

Dynamic simulation routines written in BASIC. Several physics problems are explored.
BYTE Oct 1981 (v.6#10) pg. 394

Electromagnetic wave propagation by conduction. An innovative theory based on fiber optic analogy.
CQ. THE RADIO AMATEUR'S JOURNAL Jun 1980 (v.36#6) pg. 44

Understanding and observing complex (non-sinusoidal) waveforms.
ELECTRONICS WORLD Jul 1971 (v.86#1) pg. 68

Basic electricity. Part 1. The basics of atomic structure and magnetism.
HOMEOWNERS HOW TO #5 Spring 1977 (v.2#1) pg. 76

Simple machines are explained. Includes the lever, block & tackle, wheel and axle, wedge or inclined plane, screw, and gears. Includes a master for an overhead transparency.
INDUSTRIAL EDUCATION May-Jun 1979 (v.68#5) pg. 12

Program for computing exterior ballistics. Program will calculate the remaining velocity, sight corrections, and point of impact versus line of sight. Written in SWTP 6800 BASIC.

Several computer programs designed to help teach physics concepts. Written in BASIC for an SWTP 6800 system with a printer at port #7.

Missile flight simulation program for the TRS-80 Model I, Level II. Written in BASIC. Useful in aerospace engineering analysis.
KILOBAUD MICROCOMPUTING #56 Aug 1981 (v.5#8) pg. 134

Circuit for a meter which measures the electrical conductivity of air as barometric pressure or humidity changes. Est. cost: $9.
MODERN ELECTRONICS [1] Jul 1978 (v.1#5) pg. 54

Wave propagation and reflection. Basic physical laws of how energy waves are projected and reflected are explained.
MODERN ELECTRONICS [2] Dec 1989 (v.6#12) pg. 47

Remote sensing. Part 1. Looks at several types of remote sensing and describes the assembly of some circuits which can identify a portion of the electromagnetic signatures of various objects.
POPULAR ELECTRONICS [1] Jul 1981 (v.19#7) pg. 75

Remote sensing. Part 2.
POPULAR ELECTRONICS [1] Aug 1981 (v.19#8) pg. 76

Simple device measures expansion and contraction of metals with heat or cold.
POPULAR MECHANICS Apr 1965 (v.123#4) pg. 170

How to make a paper model of a rotary cylindrical wing.
POPULAR MECHANICS Sep 1979 (v.152#3) pg. 71
Added Info POPULAR MECHANICS Nov 1979 (v.152#5) pg. 6

Eight effective physics demonstrations developed by Prof. Julius Sumner Miller to aid the teaching of physics.
POPULAR SCIENCE May 1966 (v.188#5) pg. 95

Physics for fun. Bernoulli's Paradox. Two simple stunts prove a famous law.
POPULAR SCIENCE Oct 1967 (v.191#4) pg. 88

A law of physics, the Joule effect, is that rubber tends to contract if heated. Two devices are shown to demonstrate this. (1) A simple pointer attached to a rubberband and (2) a Joule-effect engine which is a large disk with many rubberbands which rotates when exposed to heat.
POPULAR SCIENCE Jan 1972 (v.200#1) pg. 94

Vortex tubes blow hot and cold. Can you find new uses for this strange pipe that mystifies scientists? Includes plans for building your own vortex tube to experiment with.
POPULAR SCIENCE Oct 1976 (v.209#4) pg. 123

Gravitational waves, the counterpart of light and radio waves, are cited as a possible source of "noise" in electronic devices. Includes a simple circuit to detect gravitational waves.
RADIO-ELECTRONICS Apr 1986 (v.57#4) pg. 53
Added Info RADIO-ELECTRONICS Aug 1986 (v.57#8) pg. 12, 20
Added Info RADIO-ELECTRONICS Jan 1987 (v.58#1) pg. 19

Surfers, bedsprings and harmonicas. An introduction to waves, one of the most common phenomena in the physical world. Looks at waves in various mediums (water, heat energy, air, and electromagnetic).
SCIENCE PROBE! Jul 1991 (v.1#3) pg. 30

Flight of the split-fingered fastball. Description of a scientific experiment in which the aerodynamics of a baseball are studied using an apparatus attached to a moving automobile.
SCIENCE PROBE! Jul 1991 (v.1#3) pg. 102

The Galilean cannon. An interesting experiment involving the elasticity of steel results in propelling cannon balls at astonishing speeds without the use of gunpowder.
SCIENCE PROBE! Jul 1992 (v.2#3) pg. 99

A traveling science laboratory. Using a bicycle to demonstrate the physics of gears, wheels, wind, friction, flywheels, etc.
SCIENCE PROBE! Nov 1992 (v.2#4) pg. 101

Make and probe vortexes in water and flame.
SCIENTIFIC AMERICAN Oct 1963 (v.209#4) pg. 133

How to photograph air currents in color.
SCIENTIFIC AMERICAN Feb 1964 (v.210#2) pg. 132

Experiments with rolling balls and hydraulic ram.
SCIENTIFIC AMERICAN Aug 1964 (v.211#2) pg. 103

Hydraulic experiment analogy to transmission of telephone signals via a valveless pump.
SCIENTIFIC AMERICAN Jan 1965 (v.212#1) pg. 118

Device for demonstrating the Weissenberg effect in high polymer fluids.
SCIENTIFIC AMERICAN Jan 1965 (v.212#1) pg. 119

Sensitive flame oscillator.
SCIENTIFIC AMERICAN Jan 1965 (v.212#1) pg. 122

Heat-powered oscillator called Trevelyan's Rocker.
SCIENTIFIC AMERICAN Jan 1965 (v.212#1) pg. 122

How the amateur can identify subatomic particles from their tracks in photos.
SCIENTIFIC AMERICAN Apr 1965 (v.212#4) pg. 136

Two mechanical devices for simulating nuclear scattering.
SCIENTIFIC AMERICAN Aug 1965 (v.213#2) pg. 106

An apparatus for simulating high altitudes and testing their effects on small animals.
SCIENTIFIC AMERICAN Sep 1965 (v.213#3) pg. 239

Fluid flip-flop operated by hot air.
SCIENTIFIC AMERICAN May 1966 (v.214#5) pg. 129

Apparatus for demonstrating the many effects associated with electrical discharges in a gas at low pressure. Est. cost: $10.
SCIENTIFIC AMERICAN Aug 1966 (v.215#2) pg. 102

How to construct fluid models that simulate fields of force. The fluid mapper, a versatile and inexpensive device for depicting and analyzing potential fields (such as fields surrounding magnets, electric charges, and those that arise in heat condition). Simulates potential fields by thin lines of dye that form in the flow of a sheet of water.
SCIENTIFIC AMERICAN Jul 1967 (v.217#1) pg. 118

A gauge to measure tiny changes in gas pressure. An instrument, called a microanometer, is capable of measuring a change in gas pressure as small as .00015 lbs. per square inch to an accuracy of approximately 1%.
SCIENTIFIC AMERICAN Aug 1967 (v.217#2) pg. 110

How to "sputter" thin films of metal onto glass and experiment with them. Apparatus such as telescope mirrors, beam splitters and electronic components use thin metallic films on glass.
SCIENTIFIC AMERICAN Oct 1967 (v.217#4) pg. 134

Use of photographs and oscilloscope traces to analyze how a flat stone skips across the surface of a table top, sand, and water.
SCIENTIFIC AMERICAN Aug 1968 (v.219#2) pg. 112

Experiments with various liquids that do not mix, including liquid lens, liquid pillars, and fluid oscillation patterns.
SCIENTIFIC AMERICAN Nov 1968 (v.219#5) pg. 148

Simple ways to calculate the orbits of space vehicles.
SCIENTIFIC AMERICAN Jan 1969 (v.220#1) pg. 123

How to make transistors and other thin-film devices by depositing chemicals on glass substrates.
SCIENTIFIC AMERICAN Jun 1970 (v.222#6) pg. 143

How to construct a molecular-beam apparatus for doing simple molecule-splitting and beam formation and manipulation experiments.
SCIENTIFIC AMERICAN Jul 1970 (v.223#1) pg. 120

How to make an Isotenscope, an apparatus for measuring the boiling point of fluids. Includes instructions on experiments.
SCIENTIFIC AMERICAN Dec 1970 (v.223#6) pg. 116

Five engines that are driven by the heating of rubber bands (the Joule Effect).
SCIENTIFIC AMERICAN Apr 1971 (v.224#4) pg. 118

Several experiments using schlieren photography to study the flow of air around small objects.
SCIENTIFIC AMERICAN May 1971 (v.224#5) pg. 118

Experiments with wind. (1) How to construct a pendulum anemometer using a celluloid protractor, a spirit level and a table-tennis ball. (2) How to demonstrate the mechanism of violent whirlwinds using an electric fan, a vacuum cleaner and a shallow pan of water.
SCIENTIFIC AMERICAN Oct 1971 (v.225#4) pg. 108

Experiments in glass fractures that won top place in the 21st International Science Fair. Article shows how to construct a device for photographing fracturing glass at high speed.
SCIENTIFIC AMERICAN Nov 1971 (v.225#5) pg. 122

How to build a clock that will determine the energy of projectiles launched by a slingshot. Relies on the principle of the acceleration of gravity. The device will require two electromagnets, a 12-volt battery and miscellaneous switches, wire, metal rods and metal bars.
SCIENTIFIC AMERICAN Dec 1971 (v.225#6) pg. 100

Cartesian diver experiment uses a Christmas tree ornament for the diver.
SCIENTIFIC AMERICAN Jul 1972 (v.227#1) pg. 110

Sound waves and radio waves are recorded on Polaroid film by means of a precooling process. Sound waves, microwaves and mechanical vibrations may be visually recorded by this process.
SCIENTIFIC AMERICAN Nov 1972 (v.227#5) pg. 120

Martin V. Sussman demonstration of Maxwell's "demon" invoked in a hypothetical experiment relating to the apparent differnces in the statistical behavior between a gas in bulk and a gas an assemblage of molecules.
SCIENTIFIC AMERICAN Apr 1973 (v.228#4) pg. 112

Apparatus and experiment to generate water droplets (globules) that float on the surface of water.
SCIENTIFIC AMERICAN Aug 1973 (v.229#2) pg. 104

A series of experiments with drops of water that float on water. Called globules, boules, or antibubbles, they are bubbles of liquid enclosed in a film of glass.
SCIENTIFIC AMERICAN Apr 1974 (v.230#4) pg. 116

How to experiment with the Leidenfrost Effect, the duration of drops of water on a hot surface, the ability of people to walk on hot coals, etc.
SCIENTIFIC AMERICAN Aug 1977 (v.237#2) pg. 126

How to conduct experiments that help explain why hot water freezes faster than cold water.
SCIENTIFIC AMERICAN Sep 1977 (v.237#3) pg. 246
Added Info SCIENTIFIC AMERICAN Jan 1979 (v.240#1) pg. 160

How to make a basic salt oscillator to demonstrate the effect of different densities of liquid. How to simulate a perpetual salt fountain.
SCIENTIFIC AMERICAN Oct 1977 (v.237#4) pg. 142

A look at the physics lessons in a cup of coffee or tea. How to create a model of vortex motion, secondary flow, Benard circulation patterns (Benard cells) and how to modify the cooling rate of a cup of coffee.
SCIENTIFIC AMERICAN Nov 1977 (v.237#5) pg. 152

The chemistry and physics of a burning candle. How to make your own candles and a discussion of variables in the ingredients. How to duplicate Michael Faraday's 1860-61 investigation of the candle and other experiments.
SCIENTIFIC AMERICAN Apr 1978 (v.238#4) pg. 154

Experiments that demonstrate the phenomenon in which drops of liquid can be made to float on the liquid.
SCIENTIFIC AMERICAN Jun 1978 (v.238#6) pg. 151

Experiments with the behavior of three general types of non-Newtonian fluids (examples include Polyox, Silly Putty, STP Oil Treatment, Slime, etc.).
SCIENTIFIC AMERICAN Nov 1978 (v.239#5) pg. 186
Added Info SCIENTIFIC AMERICAN Feb 1980 (v.242#2) pg. 170

A look at the bending mechanics of a falling cylindrical chimney and how they compare to a breaking pencil point. Describes a simple arrangement of Tinker Toy components you can assemble to simulate the bending.
SCIENTIFIC AMERICAN Feb 1979 (v.240#2) pg. 158

How to form water into sheets and bells with knives, spoons and other objects.
SCIENTIFIC AMERICAN Aug 1979 (v.241#2) pg. 188

A look at "rattlebacks", stones that are apparently biased toward one direction of spin.
SCIENTIFIC AMERICAN Oct 1979 (v.241#4) pg. 172

Diffusion flames, an investigation of a reverse flame of air in an atmosphere of flammable gas.
SCIENTIFIC AMERICAN Nov 1979 (v.241#5) pg. 192

A look at mixed-mode fracturing of objects and illustrations of how to demonstrate it.
SCIENTIFIC AMERICAN Nov 1979 (v.241#5) pg. 200

A scientific look at why sauce bearnaise is so prone to failure. Excerpts from two papers look at the physics and chemistry of the sauce in terms of emulsions and colloidal suspensions.
SCIENTIFIC AMERICAN Dec 1979 (v.241#6) pg. 178

Using polarized light to observe and photograph fluid flow without the need for dyes or markers. Use to view the wake of a moving fish.
SCIENTIFIC AMERICAN Feb 1980 (v.242#2) pg. 167

The amateur scientist. How to investigate the hydraulic jump, a stationary shock wave that is the hydraulic analogue of the atmospheric shock wave created by a supersonic airplane.
SCIENTIFIC AMERICAN Apr 1981 (v.244#4) pg. 176

The amateur scientist. Why do honey and syrup form a coil when they are poured? A study of pouring viscous fluids.
SCIENTIFIC AMERICAN Sep 1981 (v.245#3) pg. 216

The amateur scientist. The aerodynamics of the samara, the winged seed of the maple, the ash and other trees.
SCIENTIFIC AMERICAN Oct 1981 (v.245#4) pg. 226

The amateur scientist. Reflections on the rising bubbles in a bottle of beer. A look at the physics and chemistry of carbonated beverages.
SCIENTIFIC AMERICAN Dec 1981 (v.245#6) pg. 172

Why do particles of sand and mud stick together when they are wet? A look at the electric interactions between the water and the particles of sand or clay.
SCIENTIFIC AMERICAN Jan 1982 (v.246#1) pg. 174

Experiments in mixing two powders with different grain sizes. Also looks at the effects of frequency of vibration forces during the mixing.
SCIENTIFIC AMERICAN Sep 1982 (v.247#3) pg. 206

Experiments reveal the physical characteristics of a wobbling object, such as a coin or cylinder (bottle) that precesses as it spins.
SCIENTIFIC AMERICAN Oct 1982 (v.247#4) pg. 184

Experiments investigate what happens when water boils. Looks at heat transfer, stages of boiling, bubbles, water flow, etc.
SCIENTIFIC AMERICAN Dec 1982 (v.247#6) pg. 162

Three simple and vivid demonstrations of advanced concepts in physics. (1) Doppler shift of light. (2) Measuring Plank's constant. (3) Measuring the universal gravitational constant.
SCIENTIFIC AMERICAN Jan 1983 (v.248#1) pg. 130

Thermal oscillators: systems that seesaw, buzz or howl under the influence of heat. Includes fluid oscillator, Trevelyan rocker, and Rijke-pipe oscillator.
SCIENTIFIC AMERICAN Feb 1983 (v.248#2) pg. 146

The physics and chemistry of brewing Middle Eastern coffee in an ibrik.
SCIENTIFIC AMERICAN Apr 1983 (v.248#4) pg. 132

What causes the "tears" that form on the inside of a glass of wine? A look at the general study of circulation patterns in liquids varying in surface tension.
SCIENTIFIC AMERICAN May 1983 (v.248#5) pg. 162

What causes the color in plastic objects stressed between two polarizing filters? Examples of photoelastic analysis of models of various objects. Includes a camera setup for photographing the result.
SCIENTIFIC AMERICAN Jun 1983 (v.248#6) pg. 146

An analysis of the physics involved in amusement park rides, including the roller coaster, ferris wheel, Rotor, Calypso, Scrambler, and Enterprise.
SCIENTIFIC AMERICAN Oct 1983 (v.249#4) pg. 162

The amateur scientist. Experiment with a heated wire reveals a lot about changes in the crystal structure of steel.
SCIENTIFIC AMERICAN May 1984 (v.250#5) pg. 148

The amateur scientist. Gismos that apply non-obvious physical principles to cooking. A look at the physics behind the heat pipe (baking nails), liquid crystal egg timer, terra-cotta butter cooler, and a Yunnan pot for steam cooking.
SCIENTIFIC AMERICAN Jun 1984 (v.250#6) pg. 146

The amateur scientist. The troublesome "teapot effect", or why a poured liquid clings to the container. Experiments look at surface tension effects with various liquids and over various shape surfaces.
SCIENTIFIC AMERICAN Oct 1984 (v.251#4) pg. 144

The amateur scientist. Experiments to study "edge waves" which surround a solid object vibrating in a liquid.
SCIENTIFIC AMERICAN Dec 1984 (v.251#6) pg. 130

The amateur scientist. Experiments to study the behavior of water as a drop "meanders" down a windowpane. Includes a homemade apparatus for studying the flow of water down a slope.
SCIENTIFIC AMERICAN Sep 1985 (v.253#3) pg. 138

A homemade device for testing the scattering of alpha particles from thin gold foil. A repeat of the basic 1909 experiments by Wilhelm Geiger and Ernest Marsden, and an attempt to verify the mathematical predictions of Ernest Rutherford concerning the angular dependence of the scattering.
SCIENTIFIC AMERICAN Feb 1986 (v.254#2) pg. 114

Build an observation platform which uses polarized light to study the exotic patterns appearing in water when it is freezing or melting.
SCIENTIFIC AMERICAN Jul 1986 (v.255#1) pg. 114

An investigation of the stresses that cause cracks in various surfaces and of the systematic-nature of these "crack networks".
SCIENTIFIC AMERICAN Oct 1986 (v.255#4) pg. 204

Why a fluid flows faster when the tube is pinched. Apparatus for studying fluid flow through a rubber tube.
SCIENTIFIC AMERICAN Jul 1987 (v.257#1) pg. 104

Beading. A study of sticky threadlike substances that tend to draw themselves out into bead arrays as a result of surface tension and air pressure.
SCIENTIFIC AMERICAN Sep 1987 (v.257#3) pg. 108

Fluid interfaces, including fractal flows, can be studied in this Hele-Shaw cell.
SCIENTIFIC AMERICAN Nov 1987 (v.257#5) pg. 134

Explanation and analysis of the complex interference patterns found in the wake pattern of a motorboat.
SCIENTIFIC AMERICAN Feb 1988 (v.258#2) pg. 124

A physics analysis of the air circulation within a shower stall and its impact on a shower curtain. Experiments conducted using different water temperatures, different size stalls, etc.
SCIENTIFIC AMERICAN Jun 1988 (v.258#6) pg. 116

Physics of collisions between balls of both identical and different masses.
SCIENTIFIC AMERICAN Oct 1988 (v.259#4) pg. 140

How to analyze the "shock waves" that sweep through expressway traffic. The movements of automobiles in heavy traffic can be equated to the flow of fluids and used to study "kinematic waves".
SCIENTIFIC AMERICAN Aug 1989 (v.261#2) pg. 98

How to build a Hele-Shaw cell and study the patterns formed by air bubbles rising through a viscous fluid.
SCIENTIFIC AMERICAN Oct 1989 (v.261#4) pg. 116

Physics of blowing up a common rubber balloon. A study of the air pressure and other forces at work. Also looks at soap bubbles.
SCIENTIFIC AMERICAN Dec 1989 (v.261#6) pg. 136

A way to enjoy chaos in the privacy of your home. Build an electronic circuit that serves as a paradigm for chaotic systems. Results are displayed on an oscilloscope.
SCIENTIFIC AMERICAN Jan 1992 (v.266#1) pg. 144

Building electrical circuits that can synchronize chaos. Building two systems that exhibit exactly the same chaotic behavior. May be useful for encrypted communications.
SCIENTIFIC AMERICAN Aug 1993 (v.269#2) pg. 120

Capturing the three phases of water in one bottle. Construct a "triple-point cell" which will hold water within 0.0001 degree C of that unique temperature at which water can exist with its solid, liquid and gas phases all in equilibrium. Est. cost: $50
SCIENTIFIC AMERICAN Feb 1999 (v.280#2) pg. 98

Detecting the earth's electricity which is generated by the thousands of thunderstorms which pummel the planet continuously. Homemade version of a field mill which uses rotating slotted metal disks to measure fluctuations in the earth's electric field. Est. cost: $50.
SCIENTIFIC AMERICAN Jul 1999 (v.281#1) pg. 94

A watery map of chaos. Colored water droplets descending through mineral oil provide a slow-motion study of chaos. A simple apparatus consisting of tubes and bottles allows an observer to witness a system's transition from predictable to chaotic.
SCIENTIFIC AMERICAN Nov 1999 (v.281#5) pg. 120