Garage folds against side of wall A new awning garage bolts to an outside wall, folds flat when not in use, and pulls down to enclose a car. Its pivoted tubular ribs are spring-balanced for easy raising and lowering. British Carquad is made in seven lengths from 9 to 18 feet, can be attached to [...]
Thumbnail Amplifier This thumbnail-size transparent cube is a complete amplifier circuit for the infrared guidance system of a missile. Packaging transistors, diodes, resistors, and capacitors in the solid plastic block reduces volume and weight, prevents damage from shock. It’s made by Convair.
Rifle shoots infrared ray You can stand in front of this target rifle without fear of being hurt. Instead of bullets, it shoots a beam of light. Both rifle and its special target are powered by flashlight batteries. A bull’s-eye is scored when a pulse of infrared light strikes the center of the target and [...]