Researchers have developed a new type of bifocal lens that offers a simple way to achieve two foci (or spots) with intensities that can be adjusted by applying external voltage. The lenses, which use ...

An international team of researchers from the University of California, Los Angeles (UCLA), Vanderbilt University, and Delft University of Technology has developed an artificial intelligence (AI) ...

There’s a big difference between knowing the equations that explain gravitational forces and actually being hit in the head by an apple. One is theoretical, and the other is a real-world effect of ...