Quantum key distribution (QKD) harnesses the power of quantum mechanics to securely transmit confidential information. When ...

For centuries, we’ve believed time moves in one direction - from the past, through the present, into the future. But new theories in physics suggest that’s not how the universe actually works. Some ...

This apparatus, held in London's Science Museum, has some significant purpose — or curiosity value — in the history of physics. Can you guess what it is? In 1937, George Paget Thomson followed in his ...

Scientists are like prospectors, excavating the natural world seeking gems of knowledge about physical reality. And in the century just past, scientists have dug deep enough to discover that reality’s ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

Many layers: knife sharpness and cutting technique greatly affect the speed of droplets that are created when cutting an onion. (Courtesy: Zixuan Wu and Sunghwan “Sunny” Jung at Cornell University) ...

Entangled lights: Rumpamanjari Ghosh believes in the transformative role of quantum and nonlinear optics; and shared cultural traditions. (Courtesy: iStock/EyeEm Mobile GmbH) Homes and cities around ...

Discover the magic of compounding and why it's important for increasing wealth Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business ...

The best time to visit Tulum is between November and December. You'll get the benefit of post hurricane-season breezes, plus the hotel prices are reasonable. Not to say that it's hard to find ...

Three US scientists have been awarded the Nobel Prize in physics for their discoveries demonstrating quantum tunneling in action. DW Science reporter Sushmitha Ramakrishnan explains how these ...