This might not be news to some, but for those that it is...  Amazing.  Imagine a super light material that could be both frame AND battery.  Imagine hours of electric flight time with a quad.  Or even one hour.  

New lighter-than-air material may be Holy Grail for batteries

Just a little basic lesson in how gyros work... for us newbs.

Dragonflies are always leading the way.  When we have hyper~efficient dragonfly~wingsystems, the rotor will be made Model~T~obsolete. But that's down the road a tad....

Many of you probably know about this.  Jason explained it's about removing the low pass filter from the ESC firmware.  Pretty fiddly procedure, but looks to be very worth it.  See links under video.

 Most stable, responsive Arducopter vid I'm yet to see...