Astronomers have proposed a global network of radio receivers to search for fast radio bursts. Their concept would use either smart phones and an app listening to a portion of the cellular spectrum allocation, or a low cost device that could be plugged in to the USB port of personal computers. Full paper available at the link. Source: [1701.01475] Searching for giga-Jansky fast radio bursts from the Milky Way with a global array of low-cost...
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Guide to 3D Photography
Some of the images used here are from PixaBay, which are distributed and used under a Creative Commons license.