President Donald Trump is deploying 2,000 California National Guard troops despite the governor’s objections to Los Angeles, ...

A custom axle, a front end from another bike, a gas tank from an online retailer (that needed re-welding), and some wiring ... this drifting shopping cart and this turbine-powered sled.

State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China State Key Laboratory of Precision Welding & Joining of Materials and Structures, ...