Six portable Bluetooth speakers compared, from the $24 Soundcore Select 4 Go to the JBL Boombox 4, with Wired’s top pick, the JBL Flip 7, plus lab test results and Amazon prices.
St. Elmo’s fire is a corona discharge: a blue-violet plasma glow that forms on sharp points in a storm’s strong electric field. How it works, where the name comes from, famous sightings at sea, on land and in the air, and why hikers treat it as a lightning warning.
Tesla started early Optimus production in Fremont in October 2026, but there are no orders, no price and no V3 reveal yet. What Tesla has confirmed, what is still rumor, and how Optimus compares with 1X NEO and Figure 03.
Store at least a gallon per person per day, in the right containers, in the right place. Here is the official CDC, EPA, FEMA and Red Cross guidance on emergency water, including exact bleach doses.
Hello, and welcome to this week’s roundup. This week on Aglena: paper balloon bombs over Oregon, a war over a
Six soundbars compared by subwoofer, up-firing Atmos drivers, TV-brand lock-in and what is actually in the box, from a $100 starter to a $1,099 flagship.
Rush’s Elevate From The Norm residency at Sphere runs five nights from May 21 through May 30, 2027, with Geddy Lee, Alex Lifeson, Anika Nilles and Loren Gold. Which sections show the stage and the screen best, what Lee has said about playing 2112 and Moving Pictures in full, when tickets go on sale and what to know before show night.
A Fata Morgana is a real optical image made by light trapped in layers of warm and cold air. Here is the physics, the phantom Arctic lands it helped create, the Titanic debate and how to see one yourself.
Five electric toothbrushes compared by pressure feedback, refill compatibility, charging and included accessories—not marketing claims.
Helion’s Polaris prototype demonstrated private D-T fusion and 150 million °C plasmas in February 2026. Here is what that means for electricity recovery, the Orion plant for Microsoft, and the 2028 timeline hedge.
Rubies, emeralds and diamonds are sitting on three old-fashioned balance scales. The first two are perfectly level. Every ruby weighs
John Mayer’s Live at Sphere residency runs 21 nights from April 8 through June 12, 2027, with solo, full-band and John Mayer Trio sets each night. Which sections show the stage and the screen best, what the seated floor is like, what tickets cost, setlist expectations and what to know before show night.
Hold a magnet under black oil and it erupts into spikes. That ferrofluid is a colloid of iron-oxide nanoparticles; the spikes are the Rosensweig instability, and the same liquid seals hard drives and cools loudspeakers.
Backstreet Boys’ Into the Millennium residency at Sphere has holiday dates left from December 26 through January 2, 2027, plus an F1 Afterparty on November 21. Which sections show the band and the screen best, what the floor is like, what tickets cost, the setlist and what to know before show night.
Form Energy stores electricity for about 100 hours by rusting and un-rusting iron. Here is the chemistry, the West Virginia factory, the Minnesota deals and why multi-day storage matters next to lithium in 2026.
A sun, a cloud and a raindrop each stand for a whole number. Raindrops count one by one, so a
Sprinkle water on a hot skillet and the drops suddenly skate instead of vanishing. That vapor cushion is the Leidenfrost effect: film boiling that lifts and insulates the liquid, with roots in a 1756 tract and uses from reactors to cryogenics.
Metallica’s Life Burns Faster residency at Sphere has 14 nights left, from November 5 through March 13, 2027. Which sections show the band and the screen best, what the floor and Snake Pit are like, what tickets cost, the setlists and what to know before show night.
Tesla’s two-seat Cybercab, with no wheel or pedals, now gives paid rides in Austin, with Dallas next. Here is how to ride one, what trips cost, whether you can buy one, what is inside, and why regulators are asking questions.
Six air purifiers compared, from the $76 Levoit Core 300-P to the Coway Airmega Mighty2, Wirecutter’s new top pick, with lab test results and Amazon prices.
Vegas calendar
Events27Curated major Vegas concerts, residencies, and sports. Dates can shift - confirm tickets before you go.
