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 ...

The all-new OptoChek™ Plus Auto Refractor + Keratometer, part of the VisionChek™ Digital Exam Suite, combines technology with simplicity at the core of your exam. The new, compact, modern ...

Marco proudly introduces the newly redesigned M3. The new M3 offers the same space and time saving features as well as the dependability of the original M3, because it is 3 instruments in one, the ...