Craig Lindley is a technical author and a prolific maker of things. This simple project was his first attempt to create a laser harp MIDI device. While on vacation, Craig saw a laser harp with only ...

Treating patients with Facial K Carcinoma by non-ablative fractional laser ‘cuts repeat incidence by 50%’. Simple laser treatments to the skin may cut the development of certain carcinomas. New ...

We already knew that copper kills bacteria on contact, as it releases ions that rupture bacterial cell membranes. The material could soon do so faster than ever, however, thanks to a new laser-based ...

While there are plenty of self-contained mobile-friendly laser engravers on the market today, most don't come equipped with a trap door.

Tailoring light is much like tailoring cloth, cutting and snipping to turn a bland fabric into one with some desired pattern. In the case of light, the tailoring is usually done in the spatial degrees ...

New research revealed a worrying weakness of self-driving vehicles, as a basic laser toy can make such a car completely blind. The study was conducted by researchers at the University of Michigan, the ...

In a study of patients with a history of facial keratinocyte carcinoma, 20.9% of those treated with nonablative fractional lasers experienced a subsequent keratinocyte carcinoma, compared with 40.4% ...

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Protein detection based on antigen–antibody reaction is vital in early diagnosis of a wide range of diseases. How to effectively detect proteins, however, has frequently bedeviled researchers. Osaka ...

The resistor and 10 uF capacitor are already forming a low-pass filter, which should prevent any spikes in either current/voltage. I don't know much about laser diodes though, so I am not sure what ...