3Blue1Brown
Dot products and duality | Essence of linear algebra, chapter 9
What is the dot product? What does it represent? Why does it have the formula that it does? All this is explained visually.
Crash Course
Retrosynthesis and Liquid-Liquid Extraction: Crash Course Organic Chemistry
As we construct more complex organic molecules, it can start to feel like decrypting a complex code. Organic synthesis takes simple starting materials, and turns them into complex structures, and reverse engineering can help us figure...
TED Talks
TED: How China is changing the future of shopping | Angela Wang
China is a huge laboratory of innovation, says retail expert Angela Wang, and in this lab, everything takes place on people's phones. Five hundred million Chinese consumers -- the equivalent of the combined populations of the uS, uK and...
3Blue1Brown
Cramer's rule, explained geometrically: Essence of Linear Algebra - Part 12 of 15
This rule seems random to many students, but it has a beautiful reason for being true.
Crash Course
The Aldol and Claisen Reactions: Crash Course Organic Chemistry
Organic chemistry is a great workout for your brain, and to keep its energy up, your brain needs glucose. To maintain blood glucose levels, our bodies go through a process called gluconeogenesis, which involves the important type of...
TED Talks
Markus Mutz: How supply chain transparency can help the planet
Given the option, few would choose to buy products that harm the earth -- yet it's nearly impossible to know how most consumer goods are made or where they're sourced from. That's about to change, says supply chain innovator Markus Mutz....
Bozeman Science
Kinetic Reaction Control
In this video Paul Andersen explains how a spontaneous process may take either the thermodynamically controlled or the kinetic controlled pathway. If the activation energy determines the path taken then the process is under kinetic...
TED-Ed
TED-Ed: Can you solve the passcode riddle? - Ganesh Pai
In a dystopian world, your resistance group is humanity's last hope. Unfortunately, you've all been captured by the tyrannical rulers and brought to the ancient coliseum for their deadly entertainment. Will you be able to solve the...
Crash Course
The History of Chemical Engineering: Crash Course Engineering #5
Today we’ll cover the fourth and final of our core disciplines of engineering: chemical engineering. We’ll talk about its history and evolution going from soda ash competitions to oil refineries and renewable energies. We’ll also discuss...
TED Talks
TED: Fossil fuel companies know how to stop global warming. Why don't they? | Myles Allen
The fossil fuel industry knows how to stop global warming, but they're waiting for someone else to pay, says climate science scholar Myles Allen. Instead of a total ban on carbon-emitting fuels, Allen puts forth a bold plan for oil and...
TED Talks
Penelope Boston: There might just be life on Mars
So the Mars Rovers didn't scoop up any alien lifeforms. Scientist Penelope Boston thinks there's a good chance -- a 25 to 50 percent chance, in fact -- that life might exist on Mars, deep inside the planet's caves. She details how we...
MinuteEarth
An Unexpected Consequence of COVID
The global pandemic led to a drop in outdoor air pollution, but it also led to an increase in indoor air pollution - and our exposure to it.
TED Talks
Ross Lovegrove: Organic design, inspired by nature
Designer Ross Lovegrove expounds his philosophy of "fat-free" design and offers insight into several of his extraordinary products, including the Ty Nant water bottle and the Go chair.
PBS
Do Knock-Offs Prove the Value of a Brand?
We're willing to pay hundreds or thousands more for a specific brand name item, but sometimes it can be tempting to go the way of the knock-off for a fraction of the price. The counterfeit industry is huge and isn't going anywhere, and...
Crash Course
How to Seek Help and Find Key Partners: Crash Course Entrepreneurship
Entrepreneurs do have to wear a lot of hats, but we need to understand where we fall short and where other people or products could help get the job done. We can’t be an expert in everything or have time to do everything. But some people...
TED-Ed
TED-ED: The evolution of the book - Julie Dreyfuss
What makes a book a book? Is it just anything that stores and communicates information? Or does it have to do with paper, binding, font, ink, its weight in your hands, the smell of the pages? To answer these questions, Julie Dreyfuss...
TED Talks
Tim Harford: Trial, error and the God complex
Economics writer Tim Harford studies complex systems -- and finds a surprising link among the successful ones: they were built through trial and error. In this sparkling talk from TEDGlobal 2011, he asks us to embrace our randomness and...
TED Talks
Paul Bennett: Design is in the details
Showing a series of inspiring, unusual and playful products, British branding and design guru Paul Bennett explains that design doesn't have to be about grand gestures, but can solve small, universal and overlooked problems.
Bozeman Science
Conservation of Angular Momentum
In this video Paul Andersen explains that the angular momentum of a system will be conserved as long as there is no net external torque. Both point objects and extended objects are covered along with several examples.
Crash Course
How to Sell Anything: Crash Course Entrepreneurship
It can be hard to strike the right tone or know what’s going to appeal to someone, but there are tricks. We can craft a narrative and use well-placed emotional appeals to tell customers a story. Even if you don’t consider yourself a...
3Blue1Brown
The Wallis product for pi, proved geometrically
A proof of the Wallis product for pi, together with some neat tricks using complex numbers to analyze circle geometry.
TED Talks
Kiran Bedi: A police chief with a difference
Kiran Bedi has a surprising resume. Before becoming Director General of the Indian Police Service, she managed one of the country's toughest prisons -- and used a new focus on prevention and education to turn it into a center of learning...
TED Talks
TED: What it takes to crush a pandemic | Johanna Benesty
An effective COVID-19 vaccine is just the first step in ending the pandemic, says global health strategist Johanna Benesty. In this illuminating talk, she explores the various barriers to "equitable access" -- making sure COVID-19...
TED Talks
TED: How to build a business that lasts 100 years | Martin Reeves
If you want to build a business that lasts, there may be no better place to look for inspiration than your own immune system. Join strategist Martin Reeves as he shares startling statistics about shrinking corporate life spans and...