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

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

HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?

Build in 3D with LIGHT! | Science of Anycubic Photon Mono X

Custom Transformer Shatters All Voltage Records (ft. 3D Printing Nerd)

Upgrading Fiber Optic Lamps to LASER Brightness!

I turned my $20 Hairdryer into a JET ENGINE

Making Real Holograms!

The process of making seals whose prints float and disappear! Amazing factory in Japan!

Don't use strong lasers without this - easy to make!

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

DECORATION LASERS | Stronger than you think...

This is why I have 17,342 pounds of tools

Making a Super IONIC PLASMA THRUSTER For Flight ! (NEW Design)

See Thru Jet Engine

Electromagnetic Aircraft Launcher

Laser diode self-mixing: Range-finding and sub-micron vibration measurement

1W 445nm / 450nm Blue Burning Laser Pointer Review

Amazing White Laser Experiments!!!

Unlock the Potential of Your Old Hard Drives: Build a Drone Engine!

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