We’ve all seen laser beams which project images using a persistence of vision effect. While the professional gear does it with moving mirrors, Yertle Vert shows off a neat build using 3D-printed cams and a laser pointer to achieve a similar effect. Instructions on Thingiverse.
The VH-80 can emit lasers from either or both ends to quickly measure and record length, area or volume. It has built-in levels and can be mounted on a tripod. You can also control it via its companion smartphone app, which also lets you overlay measurements on a photo.
The LaserDock is a compact RGB laser projector for visualizing music. It comes with easy-to-use Windows and MacOS apps that have hundreds of effects for digital music, MIDI and live instruments. Pair it with a fog machine and mosquito nets to get a cool 3D effect.
While laser engraving is typically done on wood or acrylic, this video shows a laser system which is used to add patterns or a pre-washed look to blue jeans. The completed fashions aren’t our style, but the tech is really cool. Plus, the music just makes it so much more dramatic.
“…it’s 400 times over the most dangerous rating imposed by the FDA. So without further ado let’s play with this thing.” A statement that no one should ever say, but YouTuber styropyro utters it as if he was talking about a NERF dart. This thing would be right at home in Fallout 4.
Veritasium breaks down the most requested cosmetic procedure. The melanin in our hair (and skin) protect us by absorbing light. Laser hair removal takes advantage of that by overloading hair with short bursts of heat, enough to damage the cells that produce hair.