Battery-powered infrared pulsed laser -- High-speed laser pulse detector -- Ultra-bright green last project -- 115 VAC, 5- to 50-watt pulsed infrared laser -- Laser property guard -- 30-milliwatt, 980-nanometer infrared laser -- High-voltage, high-frequency driver module -- Negative ion machine with reaction-emitting rotor -- Kirlian imaging project -- Plasma etching and burning pen -- How to electrify objects and vehicles -- Electromagnetic pulse (EMP) gun -- Microwave cannon -- Induction heater -- 50-kilovolt laboratory DC supply -- Magnetic high-impact cannon -- Vacuum tube Tesla coil project -- Universal capacitance discharge ignition (CDI) driver -- Long-range telephone conversation transmitter -- Line-powered telephone conversation transmitter -- Remote wireless FM repeater -- Tracking and homing transmitter -- Snooper phone room-listening device -- Long-range FM voice transmitter -- FM pocket radio and TV disrupter -- Ozone generator for water treatment -- Therapeutic magnetic pulser -- Noise curtain generator --Mind-synchronizing generator -- Alternative health multiwave machine -- Mind mangler -- 500-milligram ozone air purification system -- Invisible pain-field generator -- Canine controller -- Ultrasonic phaser pain-field generator -- Magnetic distortion detector -- Body heat detector -- Ion and field detector -- Light saber recycling stand -- Andromeda plasma lamp.