An international collaboration of researchers developed two new complementary approaches for versatile but precise light intensity measurements in fluorescence imaging systems. Accurate measurements ...

THE measurement of light intensity has always presented certain difficulties to biologists, especially when it was necessary for the measurements to be made under field conditions. The available ...

image: Physicists at Stevens Institute of Technology use a 350-year-old theorem that explains the workings of pendulums and planets to reveal new properties of light waves. view more Since the 17th ...