Science Build Your Own Pinhole Videocam! May 2, 20200 Explore the bouncy behavior of light beams by constructing a high-tech camera obscura. source:https://www.wired.com/story/build-your-own-pinhole-videocam Post navigation Previous Article Want to Study Permafrost? Get It Before It’s Gone Next Article Space Photos of the Week: Happy Birthday, Hubble!