Here's the process of making this rotary valve engine with a different intake and an exhaust system. It wasn't easy to start ...

Join me as I tackle the challenges of repairing and rebuilding my custom rotary valve engine after a dramatic failed start and heavy smoke. Watch the detailed disassembly, from removing the covers to ...

Techtronic Industries and Makita Corporation also expanded their multi-tool battery ecosystems, enabling compatibility across a broader range of drills, saws, grinders, and fastening tools. This ...

The global power tools market is experiencing steady growth, with the market valued at approximately US$36.6 billion in 2026 and projected to reach US$47.6 ...

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

Nigel first entered the world of automotive journalism in the mid-80s, working for what was then the “bible” of weekly automotive content - Motoring News. Those were the days of tip-tap typewriters, ...

Macropads can be as simple as a few buttons hooked up to a microcontroller to do the USB HID dance and talk to a PC. However, ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Leeron is a New York-based writer who specializes in covering technology for small and mid-sized businesses. Her work has been featured in publications including Bankrate, Quartz, the Village Voice, ...

Learning how to build and understand a mini engine is an exciting journey for anyone interested in mechanics. A mini engine, ...