Automated Rig Grows Big, Beautiful Crystals Fast

We haven’t seen [Les Wright] in a while, and with the release of his new video, we know why — he’s been busy growing crystals. Now, that might seem confusing to anyone who has don…

Lasers, Galvos, Action: A Quest For Laser Mastery

If you’re into hacking hardware and bending light to your will, [Shoaib Mustafa]’s latest project is bound to spike your curiosity. Combining lasers to project multi-colored beams onto a screen is …

The Laser Shadow Knows

Normally, you think of things casting a shadow as being opaque. However, new research shows that under certain conditions, a laser beam can cast a shadow. This may sound like nothing more than a no…

Laser Sound Visualizations Are Not Hard To Make

You might think that visualizing music with lasers would be a complicated and difficult affair. In fact, it’s remarkably simple if you want it to be, and [byte_thrasher] shows us just how eas…

Laser Painting Explained

If you get an inexpensive diode laser cutter, you might have been disappointed to find it won’t work well with transparent acrylic. The material just passes most of the light at that waveleng…

Photochromic Dye Makes Up This Novel Optical Memristor

Despite being much in the zeitgeist lately, we have to confess to still being a bit foggy about exactly what memristors are. The “mem” part of their name seems to be the important bit, …

First Benchies In Stainless Steel, With Lasers

DIY 3D printing in metal is a lot more complicated than we thought. And this video from [Metal Matters] shows two approaches, many many false starts, and finally, a glorious 78.9% success! (And it&…

Most Powerful Laser Diodes, Now More Powerful

Many hobbies seem to have a subset of participants who just can’t leave well enough alone. Think about hot rodders, who squeeze every bit of power out of engines they can, or PC overclockers,…

Laser Fault Injection, Now With Optional Decapping

Whether the goal is reverse engineering, black hat exploitation, or just simple curiosity, getting inside the packages that protect integrated circuits has long been the Holy Grail of hacking. It i…

Upgraded Raster Laser Projector Goes RGB

We’ve covered a scanning laser project by Ben Make’s Everything last year, and now he’s back with a significant update. [Ben]’s latest project now offers a higher resolution…

Atomkernuhr: Der Countdown zum ersten Super-Zeitmesser läuft

Neu entwickelte Atomkernuhren sollen millionenfach präziser sein als bisherige Atomuhren