Physics | Science | Khan Academy Introduction to Physics (原视频) p1 数学,最底层的知识,一切知识的浓缩和高度抽象和简化;物理,用数学去理解宇宙中的一切;化学,生物学,以及在它们基础上衍生的所有学科都可以追溯到物理;所以,觉得数学太枯燥,觉得机器学习,深度学习,区块链,量子计算太高深,可以从物理开始学; ...
It is very rare that I go so far off-topic on my blog, but then again, it is very rare that I find something so cool. Salman Khan (khanacademy.org) has recorded over 1500 mini-lectures on a wide variety of topics, organized in a cohesive fashion and made availab...
译自可汗学院Class 12 Physics (India) 的半导体课程 Lesson 2:半导体基础知识 第2节课:本征激发和复合 https://www.khanacademy.org/science 本征半导体中有多少自由电子和空穴? 在本视频中,让我们了解如何计算任何给定温度下本征半导体中的电子和空穴的数量。 由 Mahesh Shenoy 制作。 你在模拟电路中遇到的所有问...
Khan wants to increase the academy’s video library to tens of thousands of video tutorials - each about 10 minutes long - thatstudentswould watch in the evening as “homework.” Then the next day in class, the students would work on homework-like assignments, where they could ask the teac...
译自可汗学院Class 12 Physics (India) 的半导体课程 Lesson 1:固体能带理论第4节课:导体、绝缘体和半导体 https://www.khanacademy.org/science 为什么某些物体表现得像导体,而另一些则不然?这似乎是一个非常简单的问题,但事实并非如此。要真正回答这个问题,我们需要更深入地研究固体的电子能级。在本视频中,我们...
Khan Academy allows you to learn almost anything for free. Khan Academy cover a massive number of topics, including K-12 math, science topics such as biology, chemistry, and physics, and even the humanities with playlists on finance and history. You can learn about the fundamentals of computer...
Community discussions, computer programming content, test prep, parent tools, teacher tools, and district tools should all be accessed directly at http://khanacademy.org. Khan Academy is a 501(c)(3) nonprofit organization, with the mission of providing a free, world-class education for anyone,...
The revolutionaryKhan Academyis a brainchild of Bangladeshi-American Salman Khan. It is growing in popularity among Pakistanis wishing to take advantage of "Free World Class Education" offered online via short 10-15 minute videos. The subjects range from math, physics, chemistry and biology to ast...
Lindstrom, C. (2015). Using Khan Academy to support students' mathematical skill development in a physics course. Paper presented at the 2015 ASEE Annual Conference and Exposition, Seattle, Washington. https://peer.asee.org/25005
So in 2009, Khan quit his job and working from a desk set up in his closet devoted himself full time to Khan Academy. It's a non-profit with a simple but audacious mission: "to provide a free, world-class education for anyone, anywhere." If that goal sounds far-fetched for a guy...