Researchers have pushed light control into a regime that used to belong strictly to theory, steering optical waves at the ...

"Dark photon" theory says light's interference patterns may emerge from quantum particles, not waves, upending centuries of ...

Stripe patterns are commonly seen in nature—for instance, birds and fish move in coordinated flocks and schools, fingerprints ...

A new concept for energy transfer between gravitational waves and light. When massive cosmic objects such as black holes merge or neutron stars crash into one another, they can produce gravitational ...

Displays are devices for presenting information or recreating still or moving images. Numerous optical technologies are used in displays, including organic light-emitting diodes and inorganic ...

The historic Georgia criminal case against President Trump and more than a dozen of his allies for their efforts to try to overturn the 2020 election result has officially come to an end. "The case is ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

President Donald Trump smiles as he walks from Marine One to the White House after landing on the South Lawn in Washington, D.C., on November 22, 2025. President Donald Trump smiles as he walks from ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of ...