Differential geometry | Plane curves
In differential geometry, a hedgehog or plane hedgehog is a type of plane curve, the envelope of a family of lines determined by a support function. More intuitively, sufficiently well-behaved hedgehogs are plane curves with one tangent line in each oriented direction. A projective hedgehog is a restricted type of hedgehog, defined from an anti-symmetric support function, and (again when sufficiently well-behaved) forms a curve with one tangent line in each direction, regardless of orientation. Every closed strictly convex curve, the envelope of its supporting lines. The astroid forms a non-convex hedgehog, and the deltoid curve forms a projective hedgehog. Hedgehogs can also be defined from support functions of hyperplanes in higher dimensions. (Wikipedia).
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From playlist The Nature of Genius
Keith Mostov - Control of length of epithelial tubes in mammals
Most internal organs consist of tubes lined by a single layer epithelial cells; these tubes usually have a characteristic length. For most organs, little is known about how the length of these tubes is controlled. For example, the small intestine of mammals has a defined l
From playlist From Molecules and Cells to Human Health : Ideas and concepts
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Stylish hair may not be the best survival strategy, but weaponized hair? That’s another story. If you'd like to learn more about the world, go to https://brilliant.org/Animalogic The first 200 Animalogic viewers will get 20% off of their Brilliant Premium subscription. Support Animalog
From playlist Animalogic: Second Nature
Math Kangaroo × Daily Challenge LIVE Bi-Weekly Show – 2022 Level 9&10
We are bringing a whole season of LIVE Solves, in collaboration with Math Kangaroo USA! Every two weeks, you will get to enjoy a great #math show dedicated to a specific level. There will be 24 shows for 4 levels. If you'd like to participate in the #live chat, on screen, please go to htt
From playlist Math Kangaroo USA
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From playlist Discussion Meeting: Quantum entanglement in macroscopic matter
From organizational principles of Development to the morphospace by Fernando Casares
Program ICTP - ICTS Winter School on Quantitative Systems Biology ORGANIZERS: Buzz Baum, Guillaume Salbreux, Stefano Di Talia and Vijaykumar Krishnamurthy DATE: 03 December 2019 to 20 December 2019 VENUE: Ramanujan Lecture Hall, ICTS Bangalore The development of an organism from a sin
From playlist Winter School on Quantitative Systems Biology: Quantitative Approaches in Ecosystem Ecology 2020
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MIT 3.054 Cellular Solids: Structure, Properties and Applications, Spring 2015 View the complete course: http://ocw.mit.edu/3-054S15 Instructor: Lorna Gibson This session covers bone and trabecular bone, and begins discussing osteoporosis. License: Creative Commons BY-NC-SA More informat
From playlist MIT 3.054 Cellular Solids: Structure, Properties and Applications, Spring 2015
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GeoGebra Resource Link: https://www.geogebra.org/m/acfbyxaw
From playlist Geometry: Dynamic Interactives!
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From playlist Creative Coding Q&A
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From playlist Mathematics
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MIT HST.512 Genomic Medicine, Spring 2004 Instructor: Prof. Isaac Samuel Kohane View the complete course: https://ocw.mit.edu/courses/hst-512-genomic-medicine-spring-2004/ YouTube Playlist: https://www.youtube.com/watch?v=_-gQchCLmXk&list=PLUl4u3cNGP613PJMNmRjAIdBr76goU1V5 I'll show you
From playlist MIT HST.512 Genomic Medicine, Spring 2004
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From playlist What, Where, and How