Investigators are probing the wreckage and cockpit recorders to understand what went wrong just after take-off. The Air India ...

The vacuum tube high-speed flying train (high-speed flying train) is a novel rail transportation technology. The maglev train can run with low mechanical friction, low air resistance and low noise ...

Between technical utopia and an obsession with control, these five inventions, each designed to improve everyday life, reveal ...

It caused phosphorescence in the glass tubes over which it passed, and in course of time blackened them. Substances exposed in the gas became themselves temporarily radio-active.

Microwaves can also produce electrical charges in conductive and semi-conductive protrusions (such as antennae or camera lenses) that can turn into damaging currents. Mjölnir’s ability to change the ...

Keywords vacuum tubes, radio broadcasting, technical maintenance, engineering, production, scriptwriting, air travel, motion pictures, education, amateur radio Email us at footage@avgeeks.com if ...

The vacuum tube train can break through the difficulties of wheel-rail resistance, air resistance and noise of traditional wheel-rail railways. It can reach ultra-high speed of more than 600 km/h, and ...

Night Tuesday, February 11, 2025. His discovery of radio at a young age led to a passion for history with a particular interest in vacuum tube radios, a crucial tool utilized in WWII. The event begins ...

A version of CBS radio detective show Yours Truly, Johnny Dollar was a fixture in pre-revolution Iran, and is back on state radio in Tehran.

While tensions remain high between the U.S. and Iran, there's at least one American that state radio in Tehran invites on the air each week for its millions of listeners. It's just that he's a ...

TEHRAN, Iran (AP) — While tensions remain high between the U.S. and Iran, there’s at least one American that state radio in Tehran invites on the air each week for its millions of listeners ...