Pond Science Institute

Electromagnetism

History, science and technology of Electro-Magnetism.



Model Product Image Item Name Price
N0311192 Dual-Mode Horn Antenna for Millimeter Wavelengths

Dual-Mode Horn Antenna for Millimeter Wavelengths

A millimeter-wave feed horn exhibits nearly equal beam-intensity patterns in the E and H-planes as well as low side-lobe levels. The horn includes a...
$1.65

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B0005692 Electricity in the Treatment of Disease

Electricity in the Treatment of Disease

Full title: "Electricity in the Treatment of Disease. A Practical Guide to its Application; What it is & What it will Accomplish". Reprint from the...
$26.95

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N0002488 Electrostatic Levitator with Feedback Control

Electrostatic Levitator with Feedback Control

An electrostatic levitation system includes a closed feedback loop to hold the levitated object at the desired position. The vertical position of the...
$1.35

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N0031488 Electrostatic Liquid-Drop Levitation System

Electrostatic Liquid-Drop Levitation System

An electrostatic levitator has levitated drops of liquid up to 4 mm in diameter while maintaining spherical drop shapes. NASA Tech Brief. 8.5" X 11"
$1.15

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N0031293 Electrostatic Propulsion Using C60 Molecules

Electrostatic Propulsion Using C60 Molecules

Molecular C60 has never been proposed as a spacecraft propellant. It, along with other large clusters of stable carbon molecules were only discovered...
$1.35

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B0004692 Essentials of Medical Electricity

Essentials of Medical Electricity

Originally published in 1891 contains much of the original work in this long forgotten and mis-aligned field of therapy. The use of electricity in...
$18.95

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N0003592 Experiments on Rotating, Charged Liquid Drops

Experiments on Rotating, Charged Liquid Drops

Report describes experiments in which electrically charged drops of liquid were levitated electrostatically and rotated and vibrated acoustically....
$3.65

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N1899 Field Resonance Propulsion Concept

Field Resonance Propulsion Concept

The speculative "propulsion" concept described in this paper was presented at a special session of the 15th Joint AIAA/SAE/ASME Propulsion Conference...
$2.00

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N010207 Gain-Compensating Circuit for NDE and Ultrasonics

Gain-Compensating Circuit for NDE and Ultrasonics

A high frequency time-gain compensation circuit was designed and built for a wide variety of applications in nondestructive evaluation and ultrasonic...
$0.75

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N0211192 High Frequency Gated Oscillator

High Frequency Gated Oscillator

In response to control signals, an oscillator originally developed for use aboard the Space Shuttle generates selectable frequency outputs of either...
$1.65

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