CO2 monitor can help gauge indoor COVID risk

One of the (many) unsettling things about COVID-19 and other contagious diseases is that they’re invisible. You walk into a room and have no idea whether it’s safe or teeming with SARS-CoV2 virus particles floating on invisible aerosol droplets. One way to...

Looking for innovation in ways to use the forests

As the saying goes, build a better feller-buncher and the forestry world will beat a path to your door. But that’s assuming you can get financing, technical help and development space — exactly the issue that a four-month program is trying to tackle this summer. “The...

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