How does a high speed camera shutter work? Here's a video of it, in slow motion. Phantom slow mo cams show us just how crazy fast these cameras work. From at 1920 frames per second, here's a Nikon D4 shooting photos at a rate of 10 frames per second.
The mirror flips up and first curtain drops at each photo and exposes the image sensor for 1/200th of a second, of which then the second shutter drops to complete the exposure. It's an amazing feat. Check out the video below:
Mark Zuckerberg was in a Q&A episode and was asked quite a lot of questions. One of the questions was just how many hours he actually works a week and what he actually does for work. Questions also came from billionaire Sir Richard Branson and pop-star Shakira. Check it out: Read more
Teenagers today, as you know, are doing some pretty amazing stuff that will make you wonder if you wasted your childhood doing nothing. 18-year-old Kai Kloepfer thinks he may have invented the world's safest gun. He could be right. Read more