Optical illusions are more than just captivating images that trick the eye—they are windows into how our minds perceive the world around us. These intriguing visuals, often designed to confuse ...

These optical clocks are still being assessed, but already now, some are 100 times more accurate than cesium clocks. They will therefore become the future basis for the worldwide definition of the ...

When the German computer pioneer Konrad Zuse built the world’s first programmable computer in war time Berlin, it performed floating point arithmetic at a clock speed of between 5 and 10 Hz. The ...