By Robert E. Iannini

Construct a hand held, battery operated, obvious laser mild resource able to illuminating low point clouds... use it for lighting tricks, gentle indicates, lengthy diversity sighting, holography, and different fascinating area age experiments!

Put jointly your personal magnetic box distortion detector that permits you to take heed to, degree, and list sunlight task, airplane, UFOs and different gadgets by way of sensing the slightest swap within the Earth's magnetic strength field!

And that's only the start of the original tasks you'll locate during this interesting new book... actual area age know-how so you might positioned to paintings for sensible and just-for-fun reasons! those are the categories of initiatives you've consistently dreamed of placing together... yet may possibly by no means fairly determine with out a few specialist advice. And that's what the writer gives... specific development directions strengthened by way of lots of first-class illustrations and elements lists entire to the final aspect. Plus there are listings of names, addresses, and cellphone numbers for providers who've the precise elements you must prepare your individual excessive expertise units!

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Additional info for Build Your Own Laser, Phaser, Ion Ray Gun and Other Working Space Age Projects

Sample text

It is fitted with a handle that houses the trigger switches. A conventional sighting system is easily adapted to the device. It is intended as a rifle-type weapon whose range can be several thousand yards. It can easily be used with a detection type device such as the Laser Light Detection project as de­ scribed. The device generates an adjustable fre­ quency of low to medium powered IR pulses of invisible energy and must be treated with care. At no time should it be pointed at anyone or anything that could reflect these pulses.

Observe waveforms at point "X" and "Y". See Fig. 3-1. Current input should be between 250-300 rnA. Allow to run for several min­ utes and finger touch tabs of Q1 and Q2 (should only be warm). If above does not occur, try reversing feedback wires on Tl, C and D. Note that the re­ maining circuit is not operating, due to S2 being normally "off". 3. Observe waveform at point "A" (3 volts/I5 microsecs). See Fig. 3-1. 4 ms). 4. Connect a dummy diode using short leads where LA1laser diode is intended to go.

For trou­ bleshooting refer to the section on circuit theory and waveshapes shown in Fig. 2-1. FINAL ASSEMBLY It is assumed that the el~ctronic section and laser tube are all functioning properly and are ready to be placed into the cylindrical enclosure. 2 volt ni-cads are used that the electronics may also be assembled in the main housing (see Figs. 2-8 and 2-9). 1. 9" OD Schedule 40 PVC tube. Polish with steel wool for clean finish. Drill %" hole for wires to SI and BHI as shown. Hone out end of ENl, 1¥Sf!

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