Night Vision

Night Vision

Military Night Vision Goggles : How to : BFX

How can you shoot ir night vision with a dv camera that does not have a night mode?

The digital video camera picks up infrared lights, like you can see the ir light from a remote control. But the dv camera does not a …

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Laser Range

Laser Range

Is there any commercially available laser source that produces electromagnetic beams in the range of radio fre?

Is there any commercially available laser source that produces electromagnetic beams in the range of radio frequencies (especially 1-10 kHz)?

not that low but
Maser = Microwave Amplification by Stimulated Emission of Radiation
was invened first …

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Voltage Converter Step up/down Voltage Converter Kits - A Must for Frequent Travelers

Are you always on the go with business trips and leisure vacations lined up in your schedule? As you travel, you would surely require many electronic appliances like electric shavers, electric tooth brushes, curlers, travel irons, and many more. You no longer …

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Dew Heater

Dew Heater Know the Importance of Having a Dependable Compressed Air Dryer

Compressed Air Dryer: Overview

Knowing the importance of a dependable compressed air dryer is necessary in the operation of industrial plants. A compressed air dryer is the one that removes moisture from an air dryer system to prevent the downstream of the equipment. …

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Binocular Usa

which is real maker of barska binoculars?china or usa?

it appears that they are at least assembled in San diego, Ca but some of the components probably are made in various overseas countries including china.

http://www.barska.com/about.html

Large Binocular Telescope

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Range Finder

Range Finder

Sometimes, the things and gadgets that you think are the least useful will prove you wrong in the end. And in a potentially dangerous sport like hunting, having all the right hunting gadgets that technology brings you can be a matter of life and death. LetÂ’s take a solar powered torchlight as an …

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Cable Usb

Cable Usb

USB speakers are the most popular computer speakers now. They are powered with 5 volts at 200 milliamps given by the USB port. Power runs thru USB cable minus a separate power adaptor.

It can either be a speaker with an audio output jack for sound while another uses the same cable for …

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