PBS
How to Build a Blackhole
Black holes have mystified physicists for decades, but with the help of quantum mechanics, we are beginning to make serious progress in understanding these strange objects. This week on Space Time, Matt dives deeper into the physical...
3Blue1Brown
Gradient descent, how neural networks learn | Deep learning, chapter 2
An overview of gradient descent in the context of neural networks. This is a method used widely throughout machine learning for optimizing how a computer performs on certain tasks.
3Blue1Brown
Sneaky Topology | The Borsuk-Ulam theorem and stolen necklaces: Topology - Part 3 of 3
Solving a discrete math puzzle, namely the stolen necklace problem, using topology, namely the Borsuk Ulam theorem
Crash Course
Card Games: Crash Course Games
Today, we're going to step away from video games and take a closer look at a game type that has been with us for over a millennium - card games. Since Tang Dynasty China, cards have proven to have quite the staying power spawning a...
SciShow
Breast Cancer gets Worse in the Spring and Fall. But...Why?
Seasonal illnesses from infectious diseases aren’t a new concept, but a few decades ago public health experts began to notice the same behavior in some non-infectious diseases like breast cancer. These patterns have helped us learn a lot...
3Blue1Brown
Cross products in the light of linear transformations | Essence of linear algebra chapter 8 part 2
The formula for the cross product can feel like a mystery, or some kind of crazy coincidence. But it isn't. There is a fundamental connection between the cross product and determinants.
3Blue1Brown
What they won't teach you in calculus
A visual for derivatives which generalizes more nicely to topics beyond calculus. Thinking of a function as a transformation, the derivative measure how much that function locally stretches or squishes a given region.
PBS
Superluminal Time Travel + Time Warp Challenge Answer
By choosing the right path and the right reference frames, any superluminal motion can lead to information or objects returning to their origin before they depart.
TED Talks
TED: On the verge of creating synthetic life | Craig Venter
Can we create new life out of our digital universe? Craig Venter asks. His answer is "yes" -- and pretty soon. He walks through his latest research and promises that we'll soon be able to build and boot up a synthetic chromosome. NOTE:...
TED Talks
TED: The billion-dollar campaign to electrify transport | Monica Araya
The roadmap to ending pollution from transportation is here, says electrification advocate Monica Araya. In conversation with head of TED Chris Anderson, Araya introduces Drive Electric: a global campaign to retire the polluting internal...
SciShow
What Your Family History Can’t Tell You
The first time you visit a new doctor, they’ll probably ask you about your family history - but it turns out that family history doesn’t tell you everything about the risks that can be hidden in your genes.
TED Talks
Gabriel Barcia-Colombo: Capturing memories in video art
Using video mapping and projection, artist Gabriel Barcia-Colombo captures and shares his memories and friendships. At TED Fellow Talks, he shows his charming, thoughtful work -- which appears to preserve the people in his life in jars,...
PBS
Is William Gibson A Modern Day Oracle?
The science fiction writer William Gibson has not only written some fantastic scifi novels, but in the process predicted the internet, Miku Hatsune, reality TV, and a crazy amount of other technological and societal developments that...
PBS
Is the Universe a Computer?
The universe is made up of information, similar to a computer, and physics (you know, the basis of the universe) certainly is based on computational principles. But is it running some grand program? Will the answer be 42? Make sure you...
TED-Ed
TED-ED: How many verb tenses are there in English? - Anna Ananichuk
How many different verb tenses are there in a language like English? At first, the answer seems obvious - there's past, present, and future. But it isn't quite that simple. Anna Ananichuk explains how thanks to something called...
3Blue1Brown
Implicit differentiation, what's going on here? | Chapter 6, Essence of calculus
How to think about implicit differentiation in terms of functions with multiple inputs, and tiny nudges to those inputs.
Bozeman Science
Unit 2 Review - Speciation
Paul Andersen reviews the major concepts within the second unit of the new AP Biology framework. He starts by describing how life is organized into three domains. He explains how the history of life on the planet is characterized by mass...
3Blue1Brown
e^(iπ) in 3.14 minutes, using dynamics | DE5
A quick explanation of e^(pi i) in terms of motion and differential equations
SciShow
Can You Really Die of Old Age?
Even though age can contribute to someone’s death, it almost definitely won’t be the direct cause.
3Blue1Brown
A few of the best math explainers from this summer
Announcement for the results of the first Summer of Math Exposition
SciShow
The Quietest, Oldest, and Magnetic-iest Science of 2018
2018 was full of exciting discoveries and incredible advancements in the field of science. So today, we are taking a look back at 2018 to highlight three more great science news stories!
3Blue1Brown
The hardest problem on the hardest test
A geometry/probability question on the Putnam, a famously hard test, about a random tetrahedron in a sphere. This offers an opportunity not just for a lesson about the problem, but about problem-solving tactics in general.