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Technology Connections (2015)

Season 3 • Episode 17 • Analog Color TV Wrap-Up--Some extra info

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Technology Connections Season 3, Episode 17: Analog Color TV Wrap-Up--Some extra info

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In this installment on analog color television, we take a look at some odds-and-ends from the last video. Sit back, relax, and enjoy an eclectic jaunt into the realm of shadow masks, dubious inventions, weird mathematics, and more. Watch Technology Connections Season 3, Episode 17 Analog Color TV Wrap-Up--Some extra info in HD free online. Enjoy high-quality streaming of Technology Connections Season 3, Episode 17 and share your thoughts in the comments below!

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Episodes

18 episodes
1

The Impossible Feat inside Your VCR

These days a VCR seems more quaint than anything else. But in fact, there's a device inside every VCR that solved what seemed to be an unsolvable problem. The video head drum is a fascinating solution to the complex problem of tape speed, and therefore I think it deserves to be remembered. Plus, the video head drum shares some motor technologies with modern hard disk drives. So there's that.
2

What is Dolby Noise Reduction? Dolby's Humble Beginning

In this video we discuss the Dolby Noise Reduction systems found in consumer cassettes decks and how they work. Though technically very simple, Dolby B noise reduction provides a very effective means of reducing audible tape noise, and was ubiquitous throughout the cassette's life. Dolby noise reduction was such an important part of their legacy that the company still pays homage to it in their logo. The "D"s in the Dolby Double D logo are really the shape of audio tape heads.
3

Furnaces: Why we still burn fuel to heat our homes

Ever wonder why the gas-fired furnace is still so prevalent? Why isn't electric heat the standard? Well, wonder no more as we explore the economic and practical reasons the gas-fired furnace is so ubiquitous in colder climates, and how in the future this is almost certainly going to change.
4

Stupid Design--The Needlessly Useless Webcam Activity Light

We've been told that our laptops can watch us without our knowledge. That little indicator light? Worthless. Hackers can get around that. But why? There's a simple way to make sure this is impossible, which is explored in this, the very first episode, of Stupid Design.
5

Why Sony's Beta Videotape System Failed--and failed hard (Part 1)

The late 1970's and early 1980's were a frightening time to be a video enthusiast. Two formats are duking it out and trying to assert their dominance, and although Sony was first* to market with their Betamax machine, they were caught off guard by JVC's competing VHS system which, rather than focus on pedantic details like cassette design and technical perfection, strived to make a cheap, versatile format that worked.
6

Why Sony's Beta Videotape System Failed--Part 2

This is the continuing exploration of Sony's repeated missteps in the development and marketing of the Beta videotape format.
7

Comparing Beta & VHS on Quality: Was Beta Really Better?

This is a much fairer comparison than using the Panasonic unit as the VHS playback device. Many people believe that Beta was a vastly superior product to VHS, but I think this was mostly marketing prowess on Sony's part. People seemed to think that they were giving up something of quality if the went with VHS over Beta. But as this video will demonstrate, I don't think that was really the case.
8

Lines of Light: How Analog Television Works

Have you ever wondered how old-school television worked? It seems almost impossible for a device to make moving images without a computer being involved. Yet analog television is very, very old. How on Earth did it work? Find out in this video.
9

Mechanical Television: Incredibly simple, yet entirely bonkers

John Logie Baird is often considered to be the inventor of television, but not of television as we know it. His mechanical television is a remarkable invention for its simplicity, but as you'll soon see, it would never have been all that practical.
10

LED bulbs that flicker, and CFLs that almost never did

While the CFL is pretty much done being a thing these days, it was a really great invention for saving energy. But some people claimed they caused them headaches. In this video, I explore the reason that fluorescent light can indeed cause headaches or eyestrain in sensitive people, and I explain why that wasn't an issue with the CFL. Then we explore the modern LED bulb and how it actually is bringing the cause of this flicker back.
11

GE's bizarre early attempt at a CFL

Meet the grandfather of the compact fluorescent light. This device from GE is really interesting and ahead of its time, but far too weird to gain widespread acceptance. GE manufactured these adapters to shoehorn the standard circline tube into more everyday applications, and the result is kinda weird. This video's a quick exploration of this early attempt to bring the energy saving virtues of fluorescent lighting into the domestic arena.
12

Philo Farnsworth and the Invention of Electronic Television

Philo Farnsworth's Image Dissector was the heart of the first television cameras. This video tells the story of the early days of television, and shows how these early video tubes worked.
13

Digital ICE: The High-Tech Dust Removal Found in Film Scanners

In this video we explore Digital ICE, an image processing technique involving infrared light, photographic film, and a dash of algorithmic magic.
14

How Analog Color TV Works: The Beginnings

In this video we explore how we added color to everyone's favorite passive entertainment medium. Modern color broadcasting began in 1954 after years of experimentation, and this video will teach you the early history.
15

The Twinkling Light Set: An increasingly rare but delightful type of decorative lighting

If you're anything like me, the countless light displays you'll find around the average neighborhood during the holiday season are always welcome. But there's a certain type of light set that seems to be disappearing that I certainly hope stays around a little longer. In this video, you'll learn a little bit about how fairy light sets are made, how they work, and how a particular type of light strand pulls this all together to make my far-and-away favorite kind.
16

Compatible Color: The Ultimate Three-For-One Special

RCA's attempt at creating a new color television standard that would be compatible with existing black and white TVs initially faced technical challenges. However, it was an obviously great idea from a backward compatibility standpoint, and the National Television Systems Committee latched onto this idea and helped to propel RCA's idea to the real world. This is that story.
17

Analog Color TV Wrap-Up--Some extra info

In this installment on analog color television, we take a look at some odds-and-ends from the last video. Sit back, relax, and enjoy an eclectic jaunt into the realm of shadow masks, dubious inventions, weird mathematics, and more.
18

Trinitron: Sony's Once Unbeatable Product

Throughout much of the analog television era, Sony was the fairly undisputed king of TVs. Their Trinitron picture tube was a universally well received technology and made a number of important improvements on the standard color picture tube. This is the story of its creation.