MinutePhysics
Solution to the Grandfather Paradox
If you could travel back in time, and you killed your grandfather, would you be killing your future self? What do physics, complexity theory, and computer science have to say about this famous murderous time-travel paradox?
Bozeman Science
Internal Energy
In this video Paul Andersen explains how the internal energy of a system can change as the internal structure of the system changes. An object model will not be able to account for the restoring forces and so a system model must be used....
Bozeman Science
Thinking in Systems - Level 3 - Inputs, Processes and Outputs
In this video Paul Andersen shows conceptual thinking in a mini-lesson on inputs, processes and outputs in a system. TERMS: System models - a representation of a system Interactions - reciprocal (two-way) action or influence Inputs -...
MinutePhysics
Why Masks Work BETTER Than You'd Think
Thanks to the Heising-Simons foundation for their support: https://www.hsfoundation.org (their COVID-19 grants: https://www.hsfoundation.org/grants/covid-19-response-grants/ ) Check out https://aatishb.com/maskmath to explore and for...
PBS
Can You Solve the Poison Wine Challenge?
You're about to throw a party with a thousand bottles of wine, but you just discovered that one bottle is poisoned! Can you determine exactly which one it is?
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.
Crash Course
Grip and Electric: Crash Course Film Production
It's time to look at some of the most under-sung heroes of the film world, Grip and Electric. Doing everything from setting up dollies and tripods, to helping the cinematographer shape the light with flags and silks, the Grips are there...
TED Talks
TED: The fascinating physics of everyday life | Helen Czerski
Physics doesn't just happen in a fancy lab -- it happens when you push a piece of buttered toast off the table or drop a couple of raisins in a fizzy drink or watch a coffee spill dry. Become a more interesting dinner guest as physicist...
SciShow
Anatomy of a Super Storm
On the weekend of April 29th and 30th this year, a series of thunderstorms slammed the southern and midwestern US. SciShow News takes a look at those deadly storms using the latest, high-resolution data from the NOAA's GOES-16 weather...
SciShow
How Restaurants Use Psychology to Make You Spend More Money
Restaurants have a whole bucket-load of tricks up their sleeves to get you to spend more money.
Bozeman Science
Blended Learning Cycle
Paul Andersen explains how he is using the blended learning cycle in his science classroom. This cycle moves through the following steps; QUestion, Investigation/Inquiry, Video, Elaboration, Review and Summary quiz
TED Talks
David Merrill: Toy tiles that talk to each other
MIT grad student David Merrill demos Siftables -- cookie-sized, computerized tiles you can stack and shuffle in your hands. These future-toys can do math, play music, and talk to their friends, too. Is this the next thing in hands-on...
Crash Course
Humans and Energy: Crash Course World History 207
In which Stan Muller subs for John Green and teaches you about energy and humanity. Today we discuss the ideas put forth by Alfred Crosby in his book, Children of the Sun. Historically, almost all of the energy that humans use has been...
SciShow
Pink Lake Mystery Solved!
Remember that episode we did on Australia’s Pink Lake? Well, we have a follow-up! Hank explains in this episode of SciShow News.
Bozeman Science
Thinking in Systems - Level 4 - Hierarchy of Systems
In this video Paul Andersen shows conceptual thinking in a mini-lesson on the hierarchy of systems. TERMS: System interactions - Complex systems - consisting of many different and connected parts Sub-systems - a self-contained system...
TED Talks
TED: How to connect while apart | Eric Yuan
People everywhere are using Zoom to work, take classes, do yoga -- and even get married. The company's CEO and founder Eric Yuan reflects on how they developed the world's most popular video chat software and envisions a digital future...
Bozeman Science
The Synapse
In this video Paul Andersen gives an overview of the human urinary system. The system consist of the kidneys, ureters, bladder, and urethra. The kidneys excrete waste from the blood in urine. He explains how the nephron is responsible...
Bozeman Science
Thinking in Systems - Level 6 - Boundary and Initial Conditions
In this video Paul Andersen shows conceptual thinking in a mini-lesson on boundary and initial conditions within systems. Boundary conditions - the dividing line between system and environment Initial condition - the beginning state of...
TED Talks
Bill Gates: Teachers need real feedback
Until recently, many teachers only got one word of feedback a year: "satisfactory." And with no feedback, no coaching, there's just no way to improve. Bill Gates suggests that even great teachers can get better with smart feedback -- and...
SciShow
This Tortoise Has a Taste for Blood | SciShow News
You're entering a world, where one of the most blood thirsty predators, is a giant tortoise
3Blue1Brown
Essence of calculus, chapter 1
An overview of what calculus is all about, with an emphasis on making it seem like something students could discover for themselves. The central example is that of rediscovering the formula for a circle's area, and how this is an...
Bozeman Science
Thinking in Systems - Level 1 - Parts Working Together
In this video Paul Andersen shows conceptual thinking in a mini-lesson on systems as parts working together. TERMS System - a set of components (e.g. things) working together Part - a piece of an object or organism This progression is...
3Blue1Brown
Essence of linear algebra preview
The introduction to a series on visualizing core ideas of linear algebra.