I Tested Dozens of Devices to Find the Biggest 'Energy Vampire.' The Winner Surprised MeYou've likely heard about energy vampires -- the appliances, devices and other electronics that draw electricity even when powered off. Called standby power, this leech can be a significant expense: According to the US Department of Energy, standby power accounts for 5% to 10% of residential energy...

How Computers Powered by Light Could Help With AI's Energy ProblemComputers that use light instead of circuits to run calculations may sound like a plot point from a Star Trek episode, but researchers have been working on this novel approach to computing for years. They're called optical computers, and labs around the world have been exploring how they might be useful in everyday...

Washington Post chief executive Will Lewis steps down after mass lay-offsReutersThe chief executive of the Washington Post is stepping down, the newspaper has announced, days after overseeing mass lay-offs. Will Lewis said it was the right time to leave, saying in a message to staff that was shared online that "difficult decisions" had been made to ensure the paper's future.On Wednesday the...

Amazon Deals of the Day: My All-Time Favorite Headphones Are Over Half OffRight now, you can my favorite headphones, the Beats Studio Pro for 51% off. I also spotted the Roku 65-inch Smart TV for a record low price. Finally, the Samsung Galaxy Watch 8 is a nice $90 off. I've been tracking the prices of tons of products from tech gear to home finds on Amazon, and these are the best deals...

Invasion Day: Man charged with terrorism over attack on Perth rallyMan charged with terrorism over attack targeting Aboriginal Australians at protestCason Ho/ABC NewsA 31-year-old man has been charged with a terrorist offence after throwing a homemade bomb at an Aboriginal protest in Perth.A man has been charged with terrorism after he allegedly threw an explosive device at a crowd protesting...