Build a Simple Door Detector with IFTTT Alerts Using an Arduino. Thorin Klosowski October 20, 2015 Comments. One of the essential parts of any home security system is a door ...

The nanocube glows blue under fluorescent light when it is filled with the gas. Originally published in Communications Chemistry DOI: 10.1038/s42004-019-0212-6 view more Credit: Zhan et al., CC-BY ...