The truth about North Korea's ultra-lockdown against Covid-19

PLUS: Solving your password problems, critical kelp forests, and a nearly invincible battery. View this email in your browser  |  Manage newsletter subscriptions 01.24.21   123456 Chrome and Edge Want to Help Solve Your Password Problems BY DAN GOODIN, ARS TECHNICA The line between browsers and password managers is blurring.   KELPY SELFIE A New Project Maps the Pacific Coast's Critical Kelp Forests BY ROCHELLE BAKER Using sea charts and satellites, the effort will trace how the kelp beds are changing in response to global warming and commercial harvesting.   COOKING WITH GAS The Secret Ingredient That Powers Supernovas BY THOMAS LEWTON Three-dimensional computer simulations have solved the mystery of why doomed stars explode at all.   LOCKED DOWN The Truth About North Korea's Ultra-Lockdown Against Covid-19 BY MATT BURGESS, WIRED UK The country has turned inward more than ever, leaving the true impact of the pandemic a mystery. GET WIRED Winter Sale! Get 1 year of WIRED access for $10 $5. Tech news and analysis you won't find anywhere else. Subscribe now.   PODCASTS People Still Really Love the Apple II BY GEEK'S GUIDE TO THE GALAXY The computer ceased production in 1993, but fans are still making games for it.   DOT PHYSICS What's the Difference Between Electric Field, Voltage, and Current? BY RHETT ALLAIN And what does that mean for making a little wire LED man light up?   🔥🔥🔥 Scientists Made a Nearly Invincible Lithium-Ion Battery BY DANIEL OBERHAUS This new type of battery can be cut, bent, soaked, shot, and lit on fire—and it still powers up just fine.   NETWORK EFFECTS How to Secure Your Wi-Fi Router and Protect Your Home Network BY DAVID NIELD Router security has improved a bunch in recent years, but there are still steps you can take to lock yours down even better.   BRAIN GAMES Mind Control for the Masses—No Implant Needed BY ARIELLE PARDES A wave of startups wants to make brain-computer interfaces accessible without needing surgery. Just strap on the device and think.     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