Even ordinary phenomena are fascinating to watch when they're filmed at 1,000 frames per second! This one reminds us for some reason of a wildlife documentary.
Don't forget to check out the rest of our great stories this week:
Have a great weekend everyone!
The incredible innovations, like drone swarms and perpetual flight, bringing aviation into the world of tomorrow. Plus: today's greatest sci-fi writers predict the future, the science behind the summer's biggest blockbusters, a Doctor Who-themed DIY 'bot, the organs you can do without, and much more.