Here’s a whirlwind tour of some of my favorites. On that list are a POV holographic display, giant cast-resin LEDs, an optical-pump ruby laser built out of parts from AliExpress, blinky goodness ...

After first explaining the general operation of solid-state lasers, this chapter describes the most important types, starting with the classic ruby laser, then covers neodymium and a family of related ...

This looks like a fun, quick little project to try sometime. We wonder if the method can be refined to create the guts of a ruby laser, or if perhaps it can be used to create sapphires instead.

Many of us take the invention of the laser for granted. It is a technology that we have grown up with, and has always been a part of our everyday lives. It is not until you speak to people such as ...

Source: Unwanted body hair is a common concern that affects both men and women. Traditional methods like shaving, waxing, ...

Lasers are devices that produce intense beams of monochromatic, coherent radiation. The original term "laser" (dating to about 1960) was an acronym for "light amplification by stimulated emission of ...

Back in the early 1900s, Niels Finsen was ahead of the curve when it came to using natural elements for medical treatment. He saw firsthand how sunlight exposur ...

A university lecturer has successfully grown a full-size ruby as it sits in a platinum jewellery setting in what is believed to be a world-first process. Sofie Boons, who is a senior lecturer and ...

Phillip Schofield recently took to social media to share the sad news of his mother Pat’s passing at the age of 88. The ...

If you need high-quality printing in a snap, a laser printer can produce clean, sharp prints in as little as a few seconds. But, after three weeks of testing each device, not all laser printers ...

Two patients present with hyperpigmented patches on their face and neck. Can you correctly identify each case?

Fawkes in the Walks, an annual free fireworks display, is organised by the Borough Council of King's Lynn & West Norfolk. The ...