Lee De Forest invented the audion, a vacuum tube device that could take a weak electrical signal and amplify it into a larger one. The audion helped AT&T set up coast-to-coast phone service ...

Lee de Forest (1873-1961), the inventor of the "Audion" tube, who liked to call himself the "Father of Radio." De Forest grew up in Talladega, Alabama, where his father was the white president of ...

Some concessions had to be made, of course — century-old audion tubes are hard to come by, after all, and the original wet-cell batteries and decade resistance boxes Eccles and Jordan likely ...

In the years that followed, de Forest figured out how to cascade a series of audion tubes. By doing this (feeding the output of one to another through a transformer and so on), de Forest achieved ...

Watch Bears wide receiver Rome Odunze's Week 9 highlights when he caught five passes for 104 yards against the Arizona Cardinals. Get an exclusive look behind the scenes as the Bears prepare for the ...

Whether you like it or not, kids are going to watch YouTube. The site is filled with a seemingly endless selection of videos from which to choose. With older kids, you don’t want them watching ...

Over the years, solar tube lighting systems have become popular modern lighting solutions. And when it comes to using this eco-friendly option there are pros and cons that center on roof type ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Scientists have ...

As any seasoned Londoner will know, Tube strikes are just as much part of the fabric of city life as the London Underground itself. At first, we were told the latest swathe of strikes had been ...

Well, not if you're Sabrina Bahsoon. Or, as she's now known to millions of people around the world, Tube Girl. Her self-shot videos of energetic dance routines filmed on the London Underground ...

Spotify is rolling out the beta test of music videos to 85 additional markets globally, allowing Premium subscribers to watch a “limited catalog” of videos from artists like Charlie XCX ...