Cornell researchers have built a programmable optical chip that can change the color of light by merging photons, without requiring a new chip for new colors.

A majority of the Supreme Court signaled Tuesday it is prepared to rule against Colorado’s ban on “conversion therapy” for minors, with several justices signaling they agree with a licensed counselor ...

Abstract: The transient electromagnetic wave energy conversion near an aperture radiator is investigated. The case of uniform distribution of current in form of rectangular pulse is presented for ...

Abstract: We use a layer peeling algorithm to design and produce a PPLN with a 400GHz quasi-rectangular conversion response. Single-pump, tunable wavelength conversion of 8×12.5 Gsymbols/s QPSK ...

The Northern Lights erupt in the skies like pulsating explosions of light energy, glowing in iridescent colors. But on December 25 and 26 in 2022, scientists captured an aurora that seemed too unusual ...

This is the heartwarming moment a stranded penguin chick was safely returned to its parent by a polar explorer. Russian scientists rescued the baby emperor penguin after it became stuck below its ...