Where was the battery at Tesla's Battery Day?

PLUS: Netflix's cancel club, how to build your own Raspberry Pi, and the physics of supersonic baseball. View this email in your browser  |  Manage newsletter subscriptions 09.23.20   STREAMING Why Netflix Keeps Canceling Shows After Just 2 Seasons BY ALEX LEE, WIRED UK Last month, Altered Carbon joined Sense8, The OA, and Luke Cage in getting the ax. Fans protested, but for the streaming service, it's all about data.   Build Your Own Raspberry Pi Home Network Content Filter BY SCOTT GILBERTSON Boost both your digital security and your web browsing speed with an inexpensive, DIY packet inspector.   DOT PHYSICS The Cool Physics of a Supersonic Baseball BY RHETT ALLAIN For one thing, let's build a model of air drag and how it affects the ball differently when it's traveling faster and slower than the speed of sound.   ROADRUNNER Where Was the Battery at Tesla's Battery Day? BY DANIEL OBERHAUS Elon Musk made big promises at Tesla's highly anticipated event. But a prototype never appeared, and it was unclear what the company had actually achieved.   IDEAS Covid-19 Vaccines Could End Up With Bias Built Right In BY ROXANNE KHAMSI Some of the leading candidates might work better for the richest people in the world, simply on account of how they're made.   CHARGING Elon Musk Promises a $25,000 Tesla in 3 Years—Again BY AARIAN MARSHALL Reducing the cost of electric vehicles is all about a cheaper battery. Tesla outlined a plan that includes making more of the components itself.   ANGRY NERD If You're Dating Online in a Pandemic, Ghost or Be Ghosted BY ELENA LACEY Don't want to see me again? Please, spare me the proper breakup. It's more suitable to our contactless existence.   IDEAS The Power and Paradox of Bad Software BY PAUL FORD The software industry makes amazing tools for itself, while doctors and scientists are stuck with old code. Tech needs to quit hacking and start listening.   WATCH YOUR STEP The 11 Best Fitness Trackers and Watches for Everyone BY ADRIENNE SO Whether you're backcountry skiing or running around the backyard, we have an activity tracker for you.     This e-mail was sent to you by WIRED. To ensure delivery to your inbox (not bulk or junk folders), please add our e-mail address, wired@newsletters.wired.com, to your address book.   View our Privacy Policy Unsubscribe or Manage your newsletter subscriptions