If you are a Hackaday reader, you probably know what a Fresnel lens is. You find them in everything from overhead projectors to VR headsets. While it seems commonplace now, the Fresnel lens was an ...

Making a traditional glass lens requires a lot of experience, skill, and patience grinding a piece of glass to the required shape, and is not for the casual experimenter. Making a glass Fresnel ...

Just under a month after the restoration and preservation of the Tybee Lighthouse was completed, a prism has shattered. ...

Fresnel lenses are specialized optical components with grooved surfaces instead of traditional curved ones. Owing to their unique design, Fresnel lenses are thin and lightweight, typically have short ...

Meta Connect 2024 conference begins on September 25, and we're expecting a lot of new announcements from Meta including the ...

When Steve Atherton took up tennis again in his late 60s, he was dismayed to find himself being soundly beaten by his ...

We see a controller that looks to be the same Touch Plus controller that is available with the Quest 3. It has been suggested ...

The global Concentrated Photovoltaic Market is forecast to be worth US$ 6 billion by 2030 by growing at a compound annual growth rate (CAGR) of 11.8% during the forecast period from 2021-2030. Request ...

Cylindrical lenses are commonly used to change an image's aspect ratio or shape a laser beam. Fresnel lenses consist of thin, lightweight plastic sheets marked with a series of concentric grooves.

Meta’s clearly tired of the Quest 2 being its budget-tier headset, and the tech needs to fall more in line with the 3 for a ...

The past few months has brought little speculation surrounding the name of Meta’s next headset, primarily due to a number of ...