SciShow
We're Running Out of These Elements — Here's How
Phones, TVs, solar panels, and electric car batteries are all made of some rare and unusual elements. As our modern world creates more and more of these technologies, will things go from "rare" to "nonexistent" and what will we do then?
Crash Course
How Seawater Sabotages Ships: Crash Course Engineering #43
This week we’re headed out to sea for some marine engineering. How do we design ships to handle aquatic environments? How do we deal with marine life and corrosion and all of the other problems that come with engineering in the ocean?...
SciShow
In Space, No One Can Stop You From Welding
The welding process usually involves pretty extreme levels of heat. But it turns out that in the cold vacuum of space, metals can weld together... automatically.
PBS
The Fate of the First Stars
Population III stars were the very first stars in our universe and far larger than any we can see today. Where are they now?
Crash Course
The Periodic Table: Crash Course Chemistry
Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the different...
Bozeman Science
Metallic Solids
In this video Paul Andersen explains how metallic solids form when delocalized electrons hold the positive nuclei in an electron sea. This model helps to explain the properties of metals like conductivity, shiny appearance, malleability,...
Bozeman Science
Metallic Bonding
In this video Paul Andersen explains how metallic bonding structure creates the different properties of metals. The electron sea model explains how the positive nuclei are locked into a negative sea of delocalized electrons. This sharing...
Bozeman Science
ESS3C - Human Impacts on Earth Systems
In this video Paul Andersen explains how humans are impacting the Earth through farming, mining, pollution and climate change. According to the NGSS wise management can reduce impacts on the planet. This will become more important as...
Crash Course Kids
The Science of Lunch
Even an empty lunch sack is useful to science. You can examine it and come up with some traits. In this episode, Sabrina chats about things like malleability, hardness, conductivity, and magnetism. And all with lunch! This first series...
SciShow
Why Are the Inner and Outer Planets Different?
The planets in our solar system have a very specific order. But have you wondered why they have the order they do?
Bozeman Science
A Tour of the Periodic Table
Mr. Andersen describes the major groups on the periodic table.
Bozeman Science
Resistivity
In this video Paul Andersen explains how the resistivity of a material opposes the flow of charge. Conductors (like metal) will have a low resistivity and insulators will have a high resistivity. Semiconductors will have a moderate...
PBS
Was Math Invented for Money? (Ficycle Collab)
New ReviewA common complaint that math teachers hear is, "When am I going to need this in the real world?" When you're sitting in algebra class, it's easy to feel like it's all theoretical–a bunch of imaginary numbers and rules dreamed up by...
Curated Video
How to Pick a Welding Rod
Howcast - Learn how to pick welding rods from sculptor DeWitt Godfrey in this Howcast video.
Curated Video
What Is Solder?
Howcast - Learn what solder is from expert Jeff Koskulics in this Howcast video.
Curated Video
How to Clean Chrome
If you like things shiny and bright, you're probably a fan of chromium, a metal used to plate other metals, commonly known as chrome.
Curated Video
How World's Largest Shipwrecks Are Demolished by Hands
Welcome back to the Fluctus Channel for a special episode on the ship recycling industry. This episode will highlight the beaching method employed by the world's largest ship-breaking yards in India, Bangladesh, and Pakistan, as well as...
Curated Video
Why do covalent compounds share electrons?
A covalent compound forms when electrons are shared and this will happen when you have 2 nonmetals, or 2 anions, bonding together. The reason these elements share their electrons is because they have a small difference in...
Curated Video
Journey to the Center of the Earth: Exploring Earth's Layers
This video explores the layers of the Earth, from the crust to the inner core, comparing it to the layers of a sandwich. They discuss the composition and characteristics of each layer, highlighting the unique properties of the mantle,...
Curated Video
Solid State Electrical Properties and Band Theory
Electrical conductivity varies from metals to insulators. Solids can be divided into three categories: conductors, insulators, and semiconductors. Conductors are solids through which electricity can flow to a large extent, classified as...
Curated Video
Ferromagnetic and ferrimagnetic substances Magnetic Power
Ferromagnetic materials, such as Fe and Ni, exhibit permanent magnetism even when the magnetic field is removed. These materials are formed by the spontaneous alignment of magnetic moments due to unpaired electrons in the same direction....
Curated Video
Band Theory Breakdown Conduction in Various Substances
Band Theory Dissection: Conduction in Various Substances The band theory of solids is a fundamental concept in solid-state physics that explains the conduction of electricity in substances based on the arrangement of energy levels in the...
Curated Video
The Dirty Truth About Our Clean Energy Future
In order to develop clean energy technology, specific rare earth metals like cobalt and nickel need to be harvested. These often come at a steep human and environmental cost– but what if there was another way? Some propose sourcing these...