A Pulsar Helium drill site as seen Jan. 13 near Babbitt, Minn. Canada-based Pulsar Helium has discovered extremely high concentrations of helium in tests of underground deposits. Helium is best ...

The balloon is called a Gryphon Stratolite and is designed to operate between 45,000 and 75,000 feet, according to World View Enterprises. It uses helium gas for lift, and a rotator orients its ...

Some of the balloonists have turned on their gas burners and point them into the open end of the balloon. You tilt your head back to watch them lift off the ground and fill the sky with a rainbow ...

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.