Block chain Changes The World
Many of you have heard about bitcoin. It is digital currency but not many people are familiar with the underlying technology: block chain. Theoretically, it is …
Is bank account passcode secure?
The standard passcode length of bank account is 6 digits. It means the possibilities of passcode is merely 106. With regards to the calculation power of …
How Computers Generate Random Numbers — Is It Really Random?
The common way to generate the random number in real life are rolling a dice, flipping a coin and even talking a number without thinking. What …
Why natural constant “e” is called “natural”
Most of us won’t feel strange to the symbol “e” in math. It is an irrational number whose value is approximately equal to 2.71828182845904523536…Meanwhile, if “e” …
Learning analytics- new idea for curriculum review
Learning analytics may be a quite fresh word to most of us. First let us think about a simple question: how can a professor know their students’ daily …