It’s pretty easy to take a balloon, fill it up with helium, and send it up in to the upper atmosphere. It’s much harder to keep track of it and recover it when it falls back to Earth. If you’re trying ...
/// Demonstrates how to read the passive infra red (PIR) motion detector /// using All-in-one kit for Arduino. /// Robo-Tx firmware must be deployed to the Arduino. Before doing so, make sure /// ...
Abstract: We detect the recent M8.8 mega-earthquake in Eastern Russia, on a 4400 km long active telecom cable in the Pacific Ocean. The resolution achieved 100 m represents the highest spatial ...
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