This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed. Chart does not reflect ...

Laser-produced plasmas are plasmas produced by firing high-intensity beams of light. Laser-produced plasmas have been used to create short bursts of x-rays and to accelerate particles — so-called ...

Laser eye surgery uses a laser to change the shape of the cornea to help improve vision. You need to rest and avoid getting water in your eye for at least 24 hours after surgery. Laser eye surgery ...