Over on YouTube [Applied Science] shows us how to make an f/0.38 camera lens using an oil immersion microscope objective. The f-number of a lens indicates how well it will perform in low-light. To ...

I feel like a lot of people follow a similar journey when it comes to projectors. They’re initially wowed by the allure of a giant picture, bringing the cinema experience home. And maybe they’re also ...

What is the best gaming projector? A gaming projector can give you a huge and immersive picture without having to invest in a TV or monitor. Unlike home cinema projectors, projectors for gaming need ...

The research was published in the Cell journal They enable infrared vision in humans and mice The lenses do not require a power source The new world of contact lenses has arrived: ones that allow ...

Pushes the boundaries of portability. Speaker connectivity not always 100 percent. Menu system can be a bit of a maze. The world’s first home projector was the Pathé KOK Home Cinematograph. Launched ...

The F-number of a photographic lens is a measure of its light-gathering ability, and is expressed as its aperture diameter divided by its focal length. Lenses with low F-numbers are prized by ...

In 2020, California was swept with some of the worst wildfires in its history. One morning in September, David Longstreth woke up at his home in Los Angeles to find the sky glutted with smoke. His ...

In the projector world, there are three broad categories. At one end are the traditional projectors (long throw), and they sit around 10 feet from a 100-inch screen, sometimes even farther. At the ...

The lens can pivot up and down and rotate 360 degrees to display an image anywhere without moving the projector’s position. The lens can pivot up and down and rotate 360 degrees to display an image ...