Q: I have several On30 locomotives with Digital Command Control (DCC), but was recently gifted a passenger set that has a direct-current (DC) locomotive. If some DCC locomotives are sitting on the ...

Discover how to create a simple thermal motor using an aluminum can and two small DC motors. This step-by-step tutorial demonstrates each stage of building a DIY thermal engine that transforms heat ...

The finished pieces demonstrate how geometry, radiation physics, and careful engineering can merge into a single visual ...

Motors and gear trains with micrometer dimensions and powered by light are fabricated using semiconductor lithography and ...

The most recent such harvesting arrangement I saw is another scheme to exploit the thermal differential between the cold ...

The world lost influential people in 2025, and some of their deaths had significant impacts. Pope Francis died in April, ...

From pro wrestlers and MLB players to daredevils and longtime sports anchors, the sports world lost many big names in 2025.

Researchers at China's National University of Defense Technology (NUDT) have accelerated a one-ton vehicle from a dead stop ...

The need to move beyond 12 V in automotive systems has been apparent for years, but now, finally, consensus seems to have ...

HMC Honda Motor Co., Ltd.

In his short career, Ettore Majorana made several profound contributions. One of them, his concept of 'Majorana fermions' — particles that are their own antiparticle — is finding ever wider relevance ...

Altermagnets are a newly recognized class of antiferromagnets whose magnetic structure behaves very differently from what is found in conventional systems. In conventional antiferromagnets, the ...