The microscopic lens bends light to quicken data transfer in computers.
New find raises questions regarding size and timing of large settlements in Central America.
New design is able to stabilize itself.
Researchers developed a way to weld pieces of brittle ceramics together using a laser that fires a million times per second.
Regular improvements in so-called optical clocks are setting the stage for a redefinition of the second and powering searches for new laws of physics.
New proof of concept could guard against the disorienting effects of laser pointers invading the cockpit.
Innovations in laser methods and technology won Nobel Prizes in 2017 and 2018, but not all lasers are the same.
Optical tweezers developed by a new Nobel laureate could potentially be used on slightly larger objects, but not spacecraft.
Two independent studies yield new insights into spectacular weather phenomena on our neighbor planets.
Physicists show how switching positive and negative charges in graphene could make the first quantum time mirror.
The UN designated 2015 as the International Year of Light. The closing ceremony was held in Merida, Mexico.
New technique may allow more precise and less invasive study of the brain.