Periodic Videos
Samarium
Samarium finds use in carbon arc lighting, optical lasers, and nuclear reactors. Chemistry professors offer more interesting facts about the element as part of a larger series covering each of the elements on the periodic table. Viewers...
Periodic Videos
Cerium
Scientists discovered cerium helps reduce carbon monoxide emissions in cars. As part of a series on each of the elements, cerium stars in an engaging video. Scholars learn about the properties and applications of the metal in a short...
Periodic Videos
Iodine
Most of the iodine produced gets used in livestock feed. Learn more about iodine in a video from a series on each of the chemical elements. Chemistry professors share the properties, history, and applications of this element. Viewers...
Periodic Videos
Molybdenum
The word molybdenum comes from molybdo, Greek for lead, because it was confused for lead until 1778. As part of a series on chemical elements, a video focuses on molybdenum. The transition metal turns nitrogen in the atmosphere into a...
SciShow
3 of the Strangest Moons in the Solar System
Explore characteristics of three moons that have traits all their own! An episode of a solar system video playlist explores three moons of the solar system: Miranda, Iapetus, and Hyperion. These moons of Uranus and Saturn vary in their...
SciShow
The Future of Interstellar Communication
Communication through the solar system is a challenging task. Sending probes to different locations in our solar system helps scientists learn about these bodies. As these probes are sent farther and farther from Earth, receiving their...
SciShow
The Sun's Center Is 39,000 Years Younger Than Its Surface
Explore the theory of relativity in relation to spacetime! An intriguing lesson explains the concept of spacetime and how time does not change at the same rate for everyone. As a lesson in a larger solar system playlist, the video...
SciShow
The First Star-Within-A-Star
The nesting dolls of stars have been discovered! Although scientists believed it to be true, only recently have they located a star with a core of another star. The episode of a comprehensive solar system series describes how...
Periodic Videos
Erbium
Erbium finds uses in welding masks, wrinkle removers, and Internet connections. Chemistry professors share their excitement about the properties and applications of this interesting rare earth element. The video fits as part of a series...
Periodic Videos
Dysprosium
The name dysprosium came from the Greek word dysprositos, meaning hard to get. An episode of a series on each of the elements of the periodic table explores dysprosium. Chemistry professors share the properties and applications of the...
Periodic Videos
Terbium
Terbium finds applications in hybrid cars and wind turbines—very important in today's quest to discover energy solutions! Learn more about this lanthanide in an episode from a series about each of the element on the periodic table. A...
Periodic Videos
Gadolinium
Gadolinium includes unusual superconductive properties. Learn more about these in a video from a series covering the elements of the periodic table. Chemists discuss the properties and applications of this rare earth metal to both inform...
Periodic Videos
Promethium
Should we consider promethium a rare earth element when it doesn't naturally occur on Earth? This topic and others star in an episode of a series about each of the elements on the periodic table. Learn about this highly radioactive...
Periodic Videos
Praseodymium
You can use praseodymium in welding goggles, jewelry-making, and to stain glass. Learn more about a beautiful element as you enjoy and episode from a larger series on each of the chemical elements. It shares some of the properties and...
Periodic Videos
Barium
One radioactive isotope of barium has a half life that is longer than the age of the universe. Chemistry students and a professor present a video, focused on barium, as part of a series on the periodic elements. They share the...
Periodic Videos
Caesium or Cesium
The official definition of a second of time is the length of time it takes caesium to absorb a specific number of cycles of light. Chemistry professors share the properties and applications of the most alkaline element on Earth. Through...
Periodic Videos
Tellurium
The US Department of Energy estimates the demand for tellurium will cause a deficiency by 2025. Chemistry professors introduce this semi-metallic element as part of the larger series introducing each element on the periodic table. They...
Periodic Videos
Tin
Tin makes a cracking sound when bent due to the twinning of the crystalline structure. A video in a series on each of the chemical elements features tin. It shares the properties and history of this metal as well as some common...
Periodic Videos
Indium
Indium's name comes from the color indigo, not the country of India. Young scientists observe two samples of indium while likely looking at a third without realizing it. Chemistry professors share the properties and history of this metal...
Periodic Videos
Silver
To prevent smelly feet, silver nano-particles find their antibacterial properties used in socks. Learn about the history and properties of silver in only a few minutes. Viewers of an installment in a chemistry series observe chemical...
Periodic Videos
Rhodium
Rhodium plays a key role in reducing air pollution from cars. A video from a series about chemical elements shares many interesting facts about rhodium. It goes beyond sharing the properties and history to also include applications of...
Periodic Videos
Ruthenium
Ruthenium, an element that can be extracted from nuclear waste, finds new applications in solar energy. Chemistry professors share their knowledge about ruthenium's properties in a video about the element. They speakers also discuss...
Crash Course
Measures of Spread: Crash Course Statistics #4
Sometimes the measures of center don't give us enough information. The spread of the data can tell statisticians much more about the data set. A video lesson, part of a statistics video series, describes different measures of spread such...
SciShow
The Smallest Star in the Universe
They may be small, but probably still mighty! The characteristics of what astronomers have defined as stars have a minimum size requirement. The tiniest stars pack a lot into a small package—and still have all the properties of their...