Most existing water-based liquid lenses operate by changing the curvature of water at the refractive interface, noted the ...

We checked messages claiming the Bible and balloon experiments prove the Earth is flat. See what science really says.

Not concave. Not convex. A combination of both? Check out the wild new flat bicycle pedals from OneUp components ...

The Viltrox AF 35mm F1.2 Lab stands out from other prime lenses with its extra-bright apertures and impresses with fast focus and sharp results, but its controls don't work as well as they should.

OneUp’s new flat pedal has a unique wavy profile that the company says promotes an ‘aggressive heels-dropped position and gives you a more natural pedal stroke when seated’. Previous OneUp models had ...

Abstract: A compact cylindrical-shaped flat dielectric lens (FDL) antenna, partially sandwiched within a parallel-plate waveguide (PPW), is presented. The design elegantly combines uniform FDL ...