PBS
The Arrow of Time and How to Reverse It
Ever wish you could travel backward in time and do things differently? Good news: the laws of physics seem to say traveling backward in time is the same as traveling forwards. So why do we seem to be stuck in this inexorable flow towards...
PBS
Our Antimatter, Mirrored, Time-Reversed Universe
The foundations of quantum theory rests on its symmetries. For example, it should be impossible to distinguish our universe from one that is that is the perfect mirror opposite in charge, handedness, and the direction of time. But one by...
SciShow
Why So Many Ladybugs Don't Look Like Ladybugs
Ladybugs are red with black spots, right? Well, not always. There's a lot of genetic and evolutionary reasons that they can be different colors with wacky patterns.
MinutePhysics
Why is it Harder to Drive Backwards?
One Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in one minute!
SciShow
Your Head Might Be On Sideways
In your brain the right side controls the left half of your body and vice versa. We still aren't sure why this is, but some scientists have come up with a pretty bizarre explanation: that some ancient vertebrate ancestor was born with...
PBS
The One-Electron Universe
Could it be that all the electrons in the universe are simply one, single electron moving back and forth through time?
TED Talks
TED: Cute, sexy, sweet, funny | Dan Dennett
Why are babies cute? Why is cake sweet? Philosopher Dan Dennett has answers you wouldn't expect, as he shares evolution's counterintuitive reasoning on cute, sweet and sexy things (plus a new theory from Matthew Hurley on why jokes are...
TED-Ed
TED-Ed: The Chasm | Think Like A Coder, Ep 6 | Alex Rosenthal
This is episode 6 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...
SciShow
Your Head Might Be On Sideways
In your brain the right side controls the left half of your body and vice versa. We still aren't sure why this is, but some scientists have come up with a pretty bizarre explanation: that some ancient vertebrate ancestor was born with...
MinutePhysics
Hitting the Sun is HARD
This video is about the orbital mechanics of why it's so hard to crash into the sun - the energy it takes to get there is astoundingly high, compared with leaving the solar system.
SciShow
White Holes: An Impossible Possibility
Reid Reimers expands your mind with an explanation of white holes -- celestial objects that almost definitely are not real things that can be found in nature. Except, we might have actually seen one.
TED Talks
TED: Who would the rest of the world vote for in your country's election? | Simon Anholt
Wish you could vote in another country's election? Simon Anholt unveils the Global Vote, an online platform that lets anybody, anywhere in the world, "vote" in the election of any country on earth (with surprising results).
TED Talks
Regina Dugan: From mach-20 glider to hummingbird drone
"What would you attempt to do if you knew you could not fail?" asks Regina Dugan, then director of DARPA, the Defense Advanced Research Projects Agency. In this breathtaking talk she describes some of the extraordinary projects -- a...
SciShow
Why Does Venus Spin Backwards?
We're always learning more about far away galaxies and exoplanets, but we still have some pretty big mysteries hanging out here in the solar system, like why Venus spins the way it does.
Bozeman Science
Ray Diagrams - Lenses
In this video Paul Andersen explains how ray diagrams for lenses can be used to determine the size and location of a refracted image. Images may be either real or virtual images. Ray diagrams for converging and diverging lenses are...
TED-Ed
TED-Ed: Newton's 3 Laws, with a bicycle - Joshua Manley
Why would it be hard to pedal a 10,000 pound bicycle? This simple explanation shows how Newton's 3 laws of motion might help you ride your bike.
Curated Video
What is a Requirements Traceability Matrix? And How to Create One.
In this video, I want to answer the question, what is a Requirements Traceability Matrix and how do you create one? Requirements Traceability Matrices are most often used in software projects, where they connect user requirements with...
Curated Video
Propulsion
The process of pushing or moving an object forwards. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Curated Video
Big Ideas - Episode 8 - Barnes Wallis Bouncing Bomb
During World War 2, a British engineering scientist had a Big Idea. The Big Idea was to bomb a German dam, causing massive water loss to German industry. His plan was to drop bombs from low-flying aircraft, and skip them into the dam...
Curated Video
Financial Analysis - Build a ChatGPT Pairs Trading Bot - Correcting the Trading Signal
In this lecture, we will correct the trading signal generated by ChatGPT for pairs trading, including interpreting and validating the signal, identifying potential errors or biases, and making necessary adjustments to ensure accurate and...
Curated Video
Modern JavaScript from the Beginning - Second Edition - Reverse String Algorithm
In this video, we will write a unit test for a simple string reversal algorithm. We will use Jest to test our algorithm and make sure it works correctly. This clip is from the chapter "Unit Testing Algorithms" of the series "Modern...
Curated Video
JavaScript Mastery from Zero to Hero - Prepare for Coding Interviews - LeetCode Example Solution - Trapping Rainwater
In this video, we will discuss the solution to the exercise on trapping rainwater from the previous video. This clip is from the chapter "Algorithms and Data Structures - Intermediate to Advanced" of the series "JavaScript Mastery from...
Curated Video
Fundamentals of Neural Networks - Bi-Directional RNN
Bidirectional recurrent neural networks (BRNN) connect two hidden layers of opposite directions to the same output. BRNNs are especially useful when the context of the input is needed. For example, in handwriting recognition, the...