We Live in a World of General Relativity.
- OpenBoxIT.com
Another fresh idea of mine. I submitted this project to the MIT $100K entrepreneurship competition. I am not expecting to win. Instead, I am looking for their professional feedbacks. Here is the executive summary.
OpenBoxIT offers online business management services for small to medium sized companies in China. Those services include internal messaging, HR management, financial accounting, resource management, and work …
- Recently
School has started again.
This quarter, I am taking Hardware Description Languages, Parallel Computing I in grad-level, Cryptography, Industrial Organization, and Intro to Philosophy. With the lab requirement for HDLs and the grad-level course, It is going to be even more intense than last quarter.
Also I changed my mind about staying in the states through Christmas, and decided to make a …
- How do you scale web services?
I guess you are only truly qualified to answer that question after you got the chance to do such thing. Most web 2.0 startups fade away before they feel the need for such exponential expansion. But hey, we can always learn from others’ experiences.
My friend has been asking me to come up with a technical plan for his new attempt …
- Sphere Tessellation using Icosahedron
This is a project for my Computer Graphics I class. We had to compute triangles without using OpenGL to tessellate 3D objects like cube, cylinder, cone, and sphere.
The hard part is always the sphere. There are two ways to tessellate a sphere: the longitude and latitude model and this subdivision using an icosahedron model.
The original icosahedron:…
- Some Updates on the Head Tracking Display Project
Professor Bailey is interested in hooking up the head tracking display in one of the hall ways of RIT Computer Science Department. People walking by will be able to play with it.
I recently made some updates to the head tracking algorithm to predict head movement between frames. I also want to mount a second camera on top of the ceiling …
- 如何有效地加密并隐藏数据
本文章介绍TrueCrypt的使用方法。
- 如何写“绝对”安全的加密邮件
—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA1普及计算机知识系列，懂PGP的GEEK们就不用看了
为什么要加密？
简单地说，你用的邮件服务不安全，邮件可以被随时随地截获，你没有隐私。如果你认为那有什么所谓，你大可不必读完本文，你根本不珍重自己的隐私权。 - Javascript RSA
Doing RSA encryption using only Javascript.
There are a number of useful applications for Javascript based RSA encryption, one of which is to encrypt password before transmitting it through unsecured channel. HTTPS is HTTP over a secured channel, which is both encrypted and identity verifiable based on trust. However, not everybody can afford HTTPS, due to the fact that HTTPS requires …
