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239: "Traffic Lights"

Interesting Things with JC #239: "Traffic Lights" - Most common traffic lights operate based on timers. In areas that are not as congested, timers are not the best idea, as rural drivers may be sitting at a red light for an extended period of time. This is where sensor based traffic lights are more of an advantage. The actual sensors used can vary greatly per location, they could be lasers, rubber hoses filled with air, video cameras or inductive loops.

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News, History, Podcast, Science JC News, History, Podcast, Science JC

236: "Locked-in Syndrome and the Miracle Microchip"

Interesting Things with JC #236: "Locked-in Syndrome and the Miracle Microchip”. Locked-in Syndrome is a rare neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body except for those that control eye movement. Emerging technology provides a brain-computer interface to help people who are locked-in communicate freely again.

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235: "Sea of Okhotsk"

Interesting Things with JC - #235: “Sea of Okhotsk” is at the same latitude as the Gulf of Alaska, but unlike the Gulf, the sea freezes between October and March. At 611,000 square miles (1,583,000 sq km) the sea is considered one of the richest north temperate marine ecosystems in the world, and one of the most biologically productive of the world’s seas.

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Podcast, History, Science, Social JC Podcast, History, Science, Social JC

228: "Devil's Backbone - Texas Hill Country"

Interesting Things with JC #228: "Devil's Backbone - Texas Hill Country" - Stretching from Wimberley to Blanco within the Texas Hill country, the rugged and scenic area known as Devil’s Backbone comes from an earthquake that occurred here over thirty million years ago. The area is made up mostly of ranches and hunting cabins. Ghost stories are an important part of the history here!

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History, Podcast, Science JC History, Podcast, Science JC

227: "Velcro"

Interesting Things with JC #227: “Velcro” - George Mestral patented Velcro in 1955. Originally envisioned as a fastener for clothing, today, Velcro is used across a wide array of industries and applications; including healthcare, the military, land vehicles, aircraft, and even spacecraft. Do you know how it was invented? Click play and let's find out!

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History, Podcast, Science, Social JC History, Podcast, Science, Social JC

226: "Hedy Lamarr"

Interesting Things with JC #226: "Hedy Lamarr" is often recognized as an early Hollywood starlet, with film credits such as "Algiers" and "Boom Town." As an inventor, Lamarr made significant contributions to radio and technology and systems. During World War II, she invented a radio-guidance system for torpedoes. The frequency-hopping technology has been used to develop Wi-Fi and Bluetooth.

For more information on this and other amazing stories, please visit - https://www.womenshistory.org

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History, Podcast, Science JC History, Podcast, Science JC

225: "Lockheed A-12"

The A-12 was a high-altitude, Mach 3+ reconnaissance aircraft built for the US CIA by Lockheed's Skunk Works under project Oxcart. The plane was a one seater with a payload of 2500lbs, 101ft long with a wingspan of 55 feet (31x17 meters). Able to hold 10,590 US gal of fuel, weighing 117,000 lb (53k kg) with dual Pratt & Whitney JT11D-20B turbine engines.

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Science, Podcast, History JC Science, Podcast, History JC

220: "The Great Auk"

Interesting Things with JC #220: "The Great Auk" - While the Great Auk wasn't technically a penguin, it certainly looked like one, and in fact, it was the first bird to be loosely called a penguin. One significant difference, is that true penguins are restricted to the southern hemisphere, especially the fringes of Antarctica. The Great Auk lived along the farthest reaches of the northern Atlantic Ocean.

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Podcast, History, Science JC Podcast, History, Science JC

219: "Disc Harrows"

Interesting Things with JC #219: "Disc Harrows" are farming implements, or tools, used to prepare the soil for planting or sowing crops. They are pulled behind tractors and break up the clods and surface crusts on your land. This helps improve soil granulation and weed destruction. While plowing cuts, granulates, and inverts the soil, creating furrows and ridges, disking breaks up those clods and surface crusts. Let's find out more!

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Podcast, Science, History JC Podcast, Science, History JC

218: “Elephants”

Interesting Things with JC #218: “Elephants” - The word “elephant” comes from the Greek word “elephas” which means “ivory”. The elephant brain is remarkably similar to the human brain, with as many neurons and synapses, as well as a highly developed hippocampus and cerebral cortex. There is a movement called the wooly mammoth revival that seeks to bring the species back to life through the genes of the Asian elephant.

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Podcast, Science JC Podcast, Science JC

217: "Spring Equinox"

Interesting Things with JC #217: "Spring Equinox" - On the vernal equinox, the first day of spring, the direct rays of the Sun are shining down on the equator producing the effect of equal day and night. After the vernal equinox, the direct rays of the Sun migrate north of the Equator, as the earth slowly tilts.

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209 - Interesting Things: Daylight Savings & William Willet

Countries to the north and south of the tropics, see sunrise much earlier and sunsets much later in summer, than these regions do in winter. On most farms, this isn't a problem. People and animals just shift their habits as the hours of daylight shift. In most cities, the amount of energy used to make artificial light and heat becomes costly, if they don't shift their routines. This is where William Willett, the godfather of Daylight Savings comes in.

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Podcast, Science, History JC Podcast, Science, History JC

201 - Interesting Things: Lead Glass

Lead glass, commonly called crystal, is a variety of glass in which lead replaces the calcium content of a typical glass. In past decades, it was a popular material used to create decorative vases and bowls as well as crystal glasses and decanters. Lead glass is also known as X-ray glass or radiation shielding glass as one of its major applications is in the absorbance of high energy radiation while maintaining optical transparency. Also, lead glass has a lower thermal conductivity than lead-free glass. Interestingly, even though stained glass windows are a type of leaded glass, industry experts often use them separately to create distinction between the two.

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