
Cheap online listings sell universal travel adapters that pack sliding American, British and European prongs plus two USB ports into one small plastic block for just over nine dollars. Brainiac75 bought one and started testing it before anyone would ever pack it for a trip.

Sony spent years turning over-ear canceling into something people actually wear all day, and the WH-1000XM5, priced at $199.99 (was $400), remains the pair that made that habit stick. Eight microphones and a pair of processors hush cabin rumble, subway grind, and open-office chatter so thoroughly that music and calls sit on a darker background than most rivals managed when these launched a few years ago.

Sunday morning over Launch Complex 39A at Kennedy Space Center looked almost too calm for a rocket that would soon make more than five million pounds of thrust. At 7:26 a.m. EDT on August 30, SpaceX’s Falcon Heavy lit all 27 Merlin engines and carried NASA’s Nancy Grace Roman Space Telescope off the pad through blue Florida sky and a thin scatter of cloud. Weather had sat at 50 percent “go” overnight on cumulus and surface-electric-field rules, then improved to 70 percent in the last hour. Launch manager Denton Gibson polled the room and sent it.

Techmoan already owned an 18-inch Hughes Wave Motion Machine that set him back about $500. He wanted something longer, so he paid $300 for the biggest model waveshop listed, a 25-inch unit shipped from India.

Chairs stay chairs. Tables stay tables. Anything that needs to become both usually grows hinges, motors, and a tangle of wires that quit the first time you twist the thing the wrong way. Researchers at MIT’s Computer Science and Artificial Intelligence Lab spent years looking for a quieter option, and they landed on Bifur-circuits: a kit of 3D-printed blocks that snap together, fold into new stable poses, and keep an electrical map of whatever form they just became.