## March 2012

### 25 posts

There are enough galaxies in the universe for each person to own 24 of them.

Even crazier:

There would still be plenty of galaxies left over even if every person who has ever lived owned one.

Explore this week's solar flares with Wolfram|Alpha

At about 6pm CST on March 6, there was a very powerful X 5.4 solar flare. This triggered a coronal mass ejection (CME). Indications were that the CME wasn’t squarely directed at Earth, but that a strong glancing blow to the Earth’s magnetosphere was possible. Here’s the data in Wolfram|Alpha for the flare:

Learn more on our blog.

The Wolfram Linear Algebra Course Assistant App

In continuing our goal to create “An App for Every Course, and More”, we are happy to announce the latest in our Course Assistant series of iOS apps: the Wolfram Linear Algebra Course Assistant. Powered by Wolfram|Alpha, the Wolfram Linear Algebra Course Assistant will help you work your way through homework problems, ace your tests, and gain a better understanding of linear algebra conepts!

This definitive app for linear algebra—from the world leader in math software—will help you solve complex problems on the fly. The Wolfram Linear Algebra Course Assistant covers a wide variety of topics, including solving an equation or a system of equations, adding or subtracting any two vectors, finding the cross product or dot product of two vectors, and computing linear transformations.

Learn more on our blog.

Wolfram|Alpha Gets Cat Breed Data

More cats on the internet! Now you can ask Wolfram|Alpha questions about the internet’s mascot!

Learn more on our blog.