The MRI machine uses liquid helium to cool its powerful magnets ... Unless you spend a lot of time blowing up balloon animals, this probably won’t affect you. Still, we thought it was an ...

Helium is a $3 billion industry, and blimps and balloons aren't the markets inflating that price. It's used in rockets, aerospace, semiconductors, welding and MRI machines. When compressed into a ...

But you can still fly your own with a helium balloon and some electronics. One notable project — the Blimpduino — has evolved into the Blimpduino 2. The open-source software is on GitHub.