Bob Bartizek's 40 x 70-foot Pennsylvania & Western RR in O scale (1:48, three-rail) depicts the PRR in western Pennsylvania.

Manufacturer: Wm. K. Walthers Inc., 5601 W. Florist Ave., Milwaukee, WI 53218; 414-527-0770; walthers.com WalthersProto HO scale test car features: Release date ...

Price: Direct-current model with 21-pin connector, $204.99; with ESU LokSound V5 sound decoder, two cube-type speakers, and an ESU-designed "PowerPack" with two super capacitors, $314.99. Manufacturer ...

Former vice president Al Gore’s latest project gives polluters nowhere to hide. The nonprofit Climate Trace, which Gore co-founded, on Wednesday launched a tool that uses AI to track fine particulate ...

A team of Harvard physicists built the first-ever quantum computing machine that can operate continuously without restarting, achieving a major breakthrough in a field that could revolutionize ...

Amazon founder and executive chair Jeff Bezos predicted on Friday gigawatt-scale data centers will be built in space within the next 10 to 20 years and that continuously available solar energy meant ...

In this pv magazine Webinar, we will explore the role of centralized technological platforms in providing real-time, actionable data on remote renewable energy assets, allowing solar, hybrid, and ...

The Rasmussen Reports daily Presidential Tracking Poll for Wednesday shows that 50% of Likely U.S. Voters approve of President Trump’s job performance. Forty-nine (49%) disapprove. The latest figures ...