I did the math to see how much a new fridge saves compared to a 10-year-old model, and how long it'll take to pay back the ...

Welcome back to the Fluctus Channel, as we explore China’s massive Goupitan shiplift, one of the world’s tallest ship elevators, and the advanced elevator operations onboard US Aircraft Carriers.

Walking into his kitchen, Tim Yoder recoiled at a message on his refrigerator door: “Shop Samsung water filters.” Yoder, a supply-chain manager in Chicago, owns a Samsung Electronics Family Hub fridge ...