Tesla rolled out its “bioweapon defense mode” to lots of fanfare and media attention. Tesla went big: “Bioweapon Defense Mode is not a marketing statement, it is real. You can literally survive a military grade bio attack by sitting in your car.” Elon’s telling the truth, but not the whole truth. Tests I’ve done […]
Tag: wildfires
NPR Got These Facts About Masks Wrong
As wildfires were raging across the American West this summer, NPR ran a story on pollution masks people can use to protect themselves from all that air pollution. As a non-expert nerd who has dedicated years to understanding how to live under Beijing’s particulate cloud, I was eager to see what the story got right […]

Do We Need Car Air Purifiers? Do they Work?
Car air purifiers sound like a great idea. But do we need them? Do car air purifiers even work? Soon after I started making DIYs, people emailed me asking if we could make an air purifier for their car. My initial reaction was, “Great idea!” On the highways, we’re surrounded by all of that awful […]
