PBS
Is Time Travel Impossible?
Time travel stories are cool because both the past and future are somehow more interesting that the present and because everyone wants a redo. But so far it appears we’re doomed to live consumed by regret in the eternal, boring present....
PBS
Carpenter Mark Ellison's New Book ‘Building’ Offers Lessons On Life And Good Work
Mark Ellison, the author of the new book “Building,” is a carpenter who knows his way around tools. But rather than a how-to book, this is about developing any kind of craft and skill, along with a few hard-earned lessons for living a...
3Blue1Brown
Newton's Fractal (which Newton knew nothing about)
Newton's method, and the fractals the ensue
3Blue1Brown
Solving the heat equation: Differential Equations - Part 3 of 5
Solving the heat equation.
TED Talks
Greg Lynn: Organic algorithms in architecture
Greg Lynn talks about the mathematical roots of architecture -- and how calculus and digital tools allow modern designers to move beyond the traditional building forms. A glorious church in Queens (and a titanium tea set) illustrate his...
SciShow
How Do Curveballs Change Direction in Midair?
It’s amazing how professional baseball players can throw very fast curveballs, but do you know how do curveballs change direction in midair?
MinutePhysics
Extraterrestrial Cycloids - Why Are They on Europa?
Thanks to the James Webb Space Telescope (JWST) and Space Telescope Science Institute for supporting this video. This video is about the cycloid curves on Jupiter's moon Europa - they're ridges or valleys in the icy surface that formed...
PBS
Can a Circle Be a Straight Line?
On this week's episode of Spacetime, Gabe talks about what it actually means for a line to be straight so we can better understand what we mean by the idea of "curved Spacetime". This is Part One of our series on General relativity, so...
SciShow
Is Sitting up Straight Actually Good Posture
Spines are naturally curved, not straight, so what good posture actually looks like isn't as straightforward as you might think.
Curated Video
Handmade 2 | A Journey Through Perfect Waves and Handshaped Boards
On paper, shaping yourself a surfboard by hand would seem like a giant pain in the ass. Shaping bays are small, dusty, sweat-inducing spaces. Planer whirs are not anyone's preferred soundtrack. You'll make a lot of shit surfboards on...
Curated Video
How to Get Curves
Howcast - Build some curves with a fitness program that tightens and tones. Concentrate on muscle groups so that you bulge in all the right places.
Curated Video
Best Swimsuit Styles for Women Built like Kim Kardashian
Howcast - Learn about the best bathing suit styles for women built like Kim Kardashian from swimsuit expert Candace Draperin this Howcast video.
Curated Video
Best Bathing Suits for Large-Busted Women
Howcast - Learn about the best bathing suit styles for large-busted women from swimsuit expert Candace Draper in this Howcast video.
Curated Video
What Is a Santoku Knife?
Howcast - Learn about Santoku knives in this Howcast video with expert Dan Delavan.
Curated Video
How to Draw Manga Hair
Howcast - Learn how to draw manga hair from art instructor Chris Hart in this Howcast video.
Curated Video
How to Use a Recurve Bow in Archery
Howcast - Learn how to use a recurve bow from the pros at Queens Archery in this Howcast video.
Curated Video
8 Tips to Create Curves with a Sexy Legs Workout
Howcast - Learn eight exercises to create curves from personal trainer Mindi Smith in this Howcast sexy legs workout video.
Curated Video
Infant Growth Chart Guidelines
Howcast - Learn how to interpret infant growth chart guidelines from pediatrician Dyan Hes, M.D. in this Howcast video about newborn and baby development.
Curated Video
How to Whiten Teeth in Photoshop
Howcast - Learn how to whiten teeth from certified trainer Scott Strong of The Training Farm in NYC in this Howcast Photoshop tutorial, part two of two.
Curated Video
How to Change Hair Color in Photoshop, Part 2
Howcast - Learn how to change hair color from certified trainer Scott Strong of The Training Farm in NYC in this Howcast Photoshop tutorial, part two of two.
Curated Video
How to Create Outline & First Animation Frame in Photoshop
Howcast - Learn how to create animations from certified trainer Scott Strong of The Training Farm in NYC in this Howcast Photoshop tutorial, part one of two.
Curated Video
How to Use the Pen Tool to Create Straight & Curved Lines
Howcast - Learn how to use the Adobe Illustrator pen tool to create straight and curved lines from expert Will "Focus" Dubois in this Howcast video.
Curated Video
How to Use a Craft Knife for Scrapbooking
Howcast - Learn how to use a craft knife in this Howcast scrapbooking tutorial featuring expert Carla Sylvester.
Curated Video
How to Find a Summer Dress
Howcast - Summer fashion is all about flirty silhouettes, fun fabrics, and effortless dressing. Highlight your assets by choosing a summer dress that suits your style and your figure.