The Mechanic's Crazy Idea — Amazing inventions and tips with scrap materials Instead of letting worn-out tools rust, this diy invention shows how simple modifications can unlock new functions, ...

The last two decades have seen substantial improvements in ultrasonic plastic-welding machines. Bench-top models feature proportional-valve controls, linear encoders, line-voltage regulation, internal ...

Dear James: I plan to add a new bathroom, and some old plumbing should also be replaced. I’m not comfortable using a torch and solder, so would plastic plumbing be good? — Laura W. Dear Laura: ...

Non-contact laser welding offers several advantages when it comes to joining one plastic part to another. It works on the principle of partial transmission which lets a laser’s light travel through ...