In geometry, it is possible to fill 3/4 of the volume of three-dimensional Euclidean space by three sets of infinitely-long square prisms aligned with the three coordinate axes, leaving cubical voids; John Horton Conway, Heidi Burgiel and Chaim Goodman-Strauss have named this structure tetrastix. (Wikipedia).
Code-It-Yourself! Tetris - Programming from Scratch (Quick and Simple C++)
I mentioned in an earlier video that programming a Tetris clone is a good way to get going with programming as it makes you think about algorithms. Putting my money where my mouth is, I went ahead and did just that. GitHub: https://github.com/OneLoneCoder/Javidx9/blob/master/SimplyCode/On
From playlist Code-It-Yourself!
Stanford artist collaborates with physics department for 'Drawing with Tetrahedra'
Physics faculty members and graduate students use tetrahedra to create a less-than-perfect structure that explores the connection between shape and sound. For more information, see: http://news.stanford.edu/news/2014/march/tetra-physics-vivaldi-040214.html
From playlist Stanford Highlights
Bot destroys Tetris (or at least plays better than an average human)
Writing a python program that plays Tetris (using some AI techniques, like reinforces learning). From random throwing pieces around to respectable string of tetrises and 100+ lines. Version of tetris game that I used is here: https://tetris.com/play-tetris/ -----------------------------
From playlist Bots Playing Games
Creating artificial tissues just got easier, thanks to this tetris-like building technique
New method allows researchers to build structures from cells with unprecedented precision. Read more: http://bit.ly/2eMuUcv Read the research ($): http://advances.sciencemag.org/content/2/10/e1600911 JOIN AAAS: http://scim.ag/2bxrxnH
From playlist Materials and technology
Decimals to Fractions Easy Trick to Convert Any Decimal
Convert any decimals to fractions with these awesome math tricks! Easy basic decimals - 1:43 Simple recurring Decimals (eg 0.7777 or 0.242424) - 3:33 Harder recurring decimals (eg 0.1666 or 0.916666) - 7:35 To donate to the tecmath channel:https://paypal.me/tecmath To support tecma
From playlist Fractions
What is Polytetrafluoroethylene (PTFE, Teflon) and what's it used for?
From wiki: Polytetrafluoroethylene is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications. The commonly known brand name of PTFE-based formulas is Teflon by Chemours, a spin-off from DuPont, which originally discovered the compound in 1938. Wikipedia Melting poi
From playlist Materials Sciences 101 - Introduction to Materials Science & Engineering 2020
This shows a 3d print of a mathematical sculpture I produced using shapeways.com. This model is available at http://shpws.me/q0PF.
From playlist 3D printing
Nitrotetrazoles - Explosions&Fire
Why do we create explosions&fire? Because we got told that we couldn't. Playlist of me making the 5-ATz: https://www.youtube.com/watch?v=VSxj7Lr5xpE&index=7&list=PLnafk93vhO37a9ppaAMQ57j2U04YiYWGp In this video we make the famed tetrazole ring, I talk some boring shit about 'electron withd
From playlist Chemistry of Tetrazoles
An easy intro to prime numbers and composite numbers that MAKES SENSE. What are prime numbers? A prime number is a number that has exactly 2 factors: two and itself. What are composite numbers? A composite number is one which has two or more factors. What is the difference between a p
From playlist Indicies (Exponents) and Primes
This video is for fun. Just practicing my editing skills This is one more little known secret with some Canon calculators. By entering a specific code you can play a very simple form of the classic video game Tetris! Impress your friends with this one and have hours of fun.
From playlist Fake Videos!