LASER Hair Blaster | How strong is this "Class 1" laser?!?

Exotic Elements vs. Magnet | Rare Earth Metals | 7/7

How bad is 91W gear for an expensive 135W lamp? Testing SOX 135W on 91W, 135W and 135/180W ballast

FAULTY Flicker-Flame Light Bulb? Amazing in slow-motion!

THIS LAMP SOXs! "Yellow" tech of bright metal vapor lamp. Beats modern LEDs in brightness per watt?

Power of Plasma Balls Visualized | Don't wear a ring... Jumping won't help!

TRUE YELLOW LASER or not? 25+ years wait over? // Valkyrie 573 donated by Tinker Lasers

LASER underpowered by its power supply? | First TTL/PWM Arduino attempt

MAGNETIC PAINT | Cheaper and easier than Ferrofluid and Ferripaste?

Mystery RADIOACTIVE Source | Can we identify it?

Upgrading Fiber Optic Lamps to LASER Brightness!

Monster magnet meets monitors...

YELLOW LASERS?!? Finally - after 25+ years of collecting!

Messing Up the Fluorescence of Tonic Water - in several ways...

GLOW-IN-THE-DARK: Can you change the color?

Desert Sun Lamps! | My least healthy lights yet?

Are cheap UV detection cards any good?

Monster magnet meets aluminum can...

Smartphones measure MAGNETISM in 3D?!? | Gaussmeter in your pocket?

New LASER Power Record on my LPM?!? | LaserCube Ultra 750K Subs Special

Hidden Hazards of Halogen Lamps

Smartphone vs. Real Meters for Sound and Light Measurement?

Monster magnet meets subwoofer...

How [NOT] to MAX test a power supply!

Bananas can detect invisible light?!?

Handheld DNA eraser?!?

Invisible light will make 'Gold of the North' visible?

New King of Magnetic Power? | Electromagnet vs. Neodymium Magnet

PRO vs. DIY | Is my laser beam dump any good?

Ingenious hybrid lamp sold in a MINDLESS way...