Dart-shooting drones can fire sensors at trees to monitor for climate change
Daily Mail
Specialists from Imperial College London installed dart-mounted sensors on the bespoke drones with sensors to measure changes in the environment.
https://www.dailymail.co.uk/sciencetech/article-8912683/Dart-shooting-drones-fire-sensors-trees-monitor-climate-change.html?ns_mchannel=rss&ns_campaign=1490&ito=1490