Huge‍‌‍‍‌‍‌‍‍‌ underground tunnels found across South America have raised scientific eyebrows as their size and configuration do not match any known human activity. These tunnels, carved in rocks and ...

Amtrak’s work to overhaul the first of two tubes of the East River Tunnel is on schedule, officials of the federal railroad said Wednesday. “The tunnel is looking like it’s in great shape,” Laura ...

Abstract: In this article, the behavior of two-state transient currents in metal-insulator-semiconductor tunnel diodes (MISTDs) is described in detail using experiments and simulations. Transient ...

Somewhere beneath the sand and rubble of Gaza, roughly 150 Hamas operatives are trapped in a tunnel that is now both a bunker and an indictment. Cut off from supplies, reportedly starving and ...