Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

Researchers at Tsinghua University developed the Optical Feature Extraction Engine (OFE2), an optical engine that processes data at 12.5 GHz using light rather than electricity. Its integrated ...

The LightGen chip is orders of magnitude more efficient too. But it isn't ready to break out of the lab just yet. As generative AI models grow more powerful, their energy use is becoming a serious ...

Classical and quantum mechanics don’t really get along as the science of the subatomic can get, well, weird. Take, for instance, quantum entanglement, which says that the state of one particle can be ...

The House of Representatives cleared the way for a massive overhaul of the federal environmental review process on Thursday, despite last-minute changes that led clean energy groups and moderate ...

House leaders agreed to amend the legislation to appease offshore wind opponents. A group of conservatives and offshore wind critics were fulfilling their vow to block permitting reform legislation ...

Every generation grows up with starships that jump across galaxies in a heartbeat, but the real universe is far less forgiving than the screen. The same physics that lets GPS satellites work and ...

Light therapy can boost your mood, but you need the right model. Here's what experts say about picking an effective model. Corin Cesaric Editor Corin Cesaric is a Flex Editor at CNET. She received her ...

He works in mysterious ways.