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AIBO TURNS TWO — PART 1 - Jeff Mazur
This summer marked the two-year anniversary of Sony’s AIBO Entertainment Robot, and with that has come several new additions to the litter. |
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3/8 X 24 HF MOBILE ANTENNAS - Gordon West
So, what does it take to get onto the worldwide bands from your favorite vehicles? Can you get a great signal without having to bore holes into your fender or bumper? Check out the results Gordo discovered when he comparison-tested practically every antenna available on the market.
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LAMP CONTROL WITH YOUR STAMP - Jerry Reed
Get some bright ideas with this simple “contractor’s delight” set-up that works not only with a BS2 OEM board, but will interface with a PC parallel port or other digital outputs, as well.
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GRAVITY, INERTIA, AND THE ELECTROMAGNETIC SPECTRUM — PART 2 - Richard Panosh
Part 1 described a recent theory of gravity as a force due to the effects of electromagnetic waves and the concept of inertia. Part 2 will show some experiments reporting to have measured gravitational shielding and NASA’s attempt to duplicate this work. Also included are some simple experiments to demonstrate the electromagnetic effect of gravity and an experiment to measure this effect at microwave frequencies with some unexpected results. (Whew!)
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PRODUCT REVIEW: PEN-TYPE OSCILLOSCOPE - TJ Byers
If you’re among the many hobbyists who wish they had a bench oscilloscope, but can’t afford one, then you need to check out the osziFOX.
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OBJECTS d’ART ELECTRONIQUE - J. Ronald Eyton
Are you a kit builder? If so, here are some ideas of what you can do with all of those completed projects.
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OP-AMP COOKBOOK — PART 4 - Ray Marston
Practical op-amp instrumentation and test-gear circuits are reviewed in the final episode of this survey of op-amp principles and applications
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BUILD A TALKING BOX - Anthony J. Caristi
This simple, low-cost record/playback device offers many fun-filled applications, and that’s not just idle chatter. |
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MODEL ENGINE IGNITOR - Dennis Eichenberg
Since the No. 6 ignition dry cell is no longer available, an alternative standard power source for starting model engines was needed.
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| COLUMNS |
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AMATEUR ROBOTICS NOTEBOOK - Robert Nansel
As the Heavy Iron project continues, get details on how to get professional results using only a few hand tools and a power drill. |
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TECHKNOWLEDGEY 2001 - Jeff Eckert
Events, Advances, and News from the Electronics World.
Laser Tweezers; Putting the Squeeze on AMD ... But AMD Responds; Microsoft Case Supported by Dead People; Is it a PC or a Cell Phone?; Embedded Controller Aims for Faster, Cheaper Notebook PCs, More Dot-Coms Wilt on the Vine; and MIT Plans to Give Away the Store.
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STAMP APPLICATIONS - Jon Williams
Sounds Like Time for Tricks and Treats.
Treat those visiting goblins to a special Halloween display that will have a few tricks up its sleeve with this easy Stamp enhancement that will take you about two minutes to make.
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ELECTRONICS Q & A - TJ Byers
What’s Up: A clean-up of past projects and answers. How do you clean dirt from an old printed circuit board (PCB)? Is PCB fiberglass dust unhealthy? How about drilling holes in a PCB? Read on. TJ’s favorite is an answer about vinyl nostalgia, which applies to motor control again (robotics?).
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LASER INSIGHT - Stanley York
This month, take a closer look at fiberoptics. See how they are made and used in a number of applications. |
