In what I can only describe as “wickedly cool” new technology, a team of defense researchers has invented an entirely new way for naval warships to do communications. The old way was tons of copper antennae, which are heavy, fragile, highly visible to enemy radar, and take up lots of useful space. The new way? Carefully controlled spumes of saltwater shooting up to various lengths and widths, especially in plastic tubes! Because they’re adjustable, each one can replace up to ten conventional antennae, although it’s not yet ready to deploy to the fleet. They can send and receive on them because of the salt ions in the water. The inventor came up with the idea while taking a shower and tested it out with under a hundred dollars of ordinary components.
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