Researchers at Umeå University and the Swedish Defense Research Agency, FOI, have developed new laser methods that can quickly detect chemical weapons and harmful bacteria directly on site—without the ...

Diwali, a vibrant festival symbolizing the triumph of good over evil and light over darkness, beautifully integrates ancient traditions with modern practices, maintaining its cultural significance ...

The technology hinges on what physicists call a frequency comb -- a laser that emits many distinct colors, or wavelengths, evenly spaced across the optical spectrum.