3Blue1Brown
Quaternions and 3d rotation, explained interactively - Part 2 of 2
An introduction to an interactive experience on why quaternions describe 3d rotations
3Blue1Brown
Quaternions and 3d rotation, explained interactively
An introduction to an interactive experience on why quaternions describe 3d rotations
TED Talks
Craig Costello: In the war for information, will quantum computers defeat cryptographers?
In this glimpse into our technological future, cryptographer Craig Costello discusses the world-altering potential of quantum computers, which could shatter the limits set by today's machines -- and give code breakers a master key to the...
TED-Ed
TED-Ed: Da Vinci's Vitruvian Man of math - James Earle
What's so special about Leonard da Vinci's Vitruvian Man? With arms outstretched, the man fills the irreconcilable spaces of a circle and a square -- symbolizing the Renaissance-era belief in the mutable nature of humankind. James Earle...
TED-Ed
TED-Ed: What causes yeast infections, and how do you get rid of them? | Liesbeth Demuyser
The vagina harbors hundreds of different kinds of microorganisms. Candida yeasts are usually present in small quantities and most of the time, these fungi are harmless. But, under certain conditions, Candida yeasts can cause infections....
Bozeman Science
Calculating the Electric Force
In this video Paul Andersen explains how you can use Coulomb's Law to determine the electric force between two charges. In Physics 1 students should be able to calculate the force between two charges and in Physics 2 students should be...
SciShow
Elizabeth Blackburn: Great Minds
Hank brings us the story of Elizabeth Blackburn, the Nobel Prize-winning Australian woman who discovered telomeres and telomerase, and helped scientists begin to understand the process of aging at a genetic level.
Bozeman Science
Gravitational Force
In this video Paul Andersen explains how an object with mass placed in a gravitational field experiences a gravitational force. On the Earth this gravitational force is known as weight. The gravitational force is equal to the product of...
3Blue1Brown
Matrix multiplication as composition | Essence of linear algebra, chapter 4
How to think about matrix multiplication visually as successively applying two different linear transformations.
SciShow
Can You Keep Donating and Regrowing Your Liver?
Fun Fact: people can donate over half of their liver, and the tissue will grow back within a year! Knowing that, it seems pretty logical to assume that we could just keep donating and regrowing our livers over and over again, but is that...
SciShow
Why Is Heart Cancer So Rare?
Why don't we hear about people getting heart cancer? Turns out that some types of cells are less susceptible to cancer than others.
Bozeman Science
Angular Momentum of a System
In this video Paul Andersen explains how the angular momentum of a system can be calculated by determining the angular momentum of all individual objects within the system. An inquiry activity using a gyroscope is also included.
3Blue1Brown
Matrix multiplication as composition: Essence of Linear Algebra - Part 4 of 15
How to think about matrix multiplication visually as successively applying two different linear transformations.
SciShow Kids
Get to Know Your Galaxy!
Have you ever thought about what's beyond our solar system? Think real big, because we're about to explore galaxies!
Bozeman Science
Angular Momentum
In this video Paul Andersen explains rotating object have angular momentum. The angular momentum of a point object is the product of the distant from the center of rotation and the linear momentum. The angular momentum of an extended...
Bozeman Science
Torque
In this video Paul Andersen begins by discriminating between translation and rotational motion. He then explains how a torque is the product of the lever arm and the force perpendicular. The lever arm must be perpendicular to the axis of...
TED-Ed
TED-Ed: Can you solve the multiplying rabbits riddle? - Alex Gendler
After years of experiments, you’ve finally created the pets of the future – nano-rabbits! They’re tiny, they’re fuzzy ... and they multiply faster than the eye can see. But a rival lab has sabotaged you, threatening the survival of your...
Bozeman Science
Energy Concepts
In this video Paul Andersen explains the different forms and units for energy. A discussion of the laws of thermodynamics is also included. Sample conversion problems using dimensional analysis is also included.
SciShow
The Only Radiation Units You Need to Know
In order to have a meaningful conversation about the dangers of radiation exposure, it’s important to be clear about just how much radiation we are dealing with. Unfortunately, the units we use are kind of a mess… but SciShow is here...
Bozeman Science
Mole Conversions
Mr. Andersen shows you how to convert moles to grams and moles to molecules.
3Blue1Brown
Exponential growth and epidemics
A primer on exponential and logistic growth, with epidemics as a central example
SciShow
How an Army of Crayfish Clones Took Over Europe
It sounds like something out of a sci-fi movie: a new crayfish population made entirely of asexually reproducing, all-female clones. But is it a new species?
TED-Ed
TED-Ed: How to organize, add and multiply matrices - Bill Shillito
When you're working on a problem with lots of numbers, as in economics, cryptography or 3D graphics, it helps to organize those numbers into a grid, or matrix. Bill Shillito shows us how to work with matrices, with tips for adding,...