Fresnel lenses are designed so their light can be pointed in just one direction, meaning drivers in a lane may see only the ...

In this video, we uncover why lighthouses wear their iconic red-and-white stripes, and how simple visibility pairs with revolutionary optics to save lives at sea. From Fresnel lenses to modern ...

Christmas is over but the deals on gaming hardware are still here, including a $100 discount on select PS5 consoles!

After a month of darkness, Gary and Kim King made a donation to bring it back to life. A new light was purchased from Sealite ...

From nuclear fusion and biosecurity to delivery robots and online college, here’s a detailed look at Sam Altman’s startup ...

As a walking lighthouse, players explore a world without humans and solve clever puzzles on the six-hour journey of “Keeper.” ...

The RPV council has approved a new logo to commemorate the 100th birthday of the historic Point Vicente Lighthouse.

The Meta Quest 3S is back on sale at its all-time low price of $250. That's $50 off, or a discount of 17 percent, and matches ...

Use code 'METAQDEC15' The Meta Quest 3S is the best standalone consumer-oriented VR headset under $300. It retails for 40% ...

Abstract: The design, fabrication and measurement of a 3D-printed Fresnel lens is presented. A dielectric characterization of polylactic acid material prior to simulation and fabrication of the lens ...