An efficient two-bit quantum logic gate has been out of reach, until now https://source.wustl.edu/2021/06/a-new-piece-of-the-quantum-computing-puzzle/
In the media: UV Light Wands Are Supposed to Kill Viruses. But Do They Really Work?
Sellers claim that hand-held UV-C light wands sanitize surfaces, but many are underpowered and others are fakes. Here’s what you need to know. Article: https://www.discovermagazine.com/health/uv-light-wands-are-supposed-to-kill-viruses-but-do-they-really-work https://engineering.wustl.edu/news/2020/In-the-media-UV-Light-Wands-Are-Supposed-to-Kill-Viruses-But-Do-They-Really-Work.html