Why Memory Cards are Useful Whenever a friend gets a camera, they usually come and ask me “What accessory should I get that will make me a better photographer?”. I’ll answer with two things, spare memory cards , and spare batteries. You don’t get better through better gear, you get better though practice. Practice in…
It’s a Book About Code, no not that Kind of Code While this book is titled “The Code Book”, it is not about computer science. It’s about a different type of science; “the science of secrecy”. How to hide messages and meaning, It’s about cryptography. The Code Book by Simon Singh is a 400-page book…
What’s a Finite Difference and Why do we Want it A common situation in real world problems is you have to take a derivative, but you don’t have the underlying function. You might be measuring some natural phenomenon and then only have discrete data points. Another time you wont be able to get a general…
The Klaxon Starts Ringing Imagine it’s the year 2300. Earth and Mars are at war. You’re an Earth warship, blue, based on an asteroid in the asteroid belt. A martian drone, red, lands on the opposite side of the asteroid. It’s out of line of sight so how do you aim your rail-gun to destroy…
