An Outdated Grid Has Created a Solar Power Economic Divide

An Outdated Grid Has Created a Solar Power Economic Divide

Even if rooftop solar panels were free to everyone, the authors say, homeowners in these areas wouldn’t be able to use power from solar panels to run appliances or charge an electric vehicle without buying a special battery.

The 17 Best Weekend Deals on Stand Mixers, PC Gear, and More

The 17 Best Weekend Deals on Stand Mixers, PC Gear, and More

Photograph: Motorola Make sure to check out our Best Android Phones and Best Wireless Headphones guides for more.Motorola One 5G for $350 ($50 off) : This Android phone will give you not only four rear cameras but also two days of battery life on a single charge.

Bill Gates Is Upbeat on Climate, Capitalism, and Even Politics

Bill Gates Is Upbeat on Climate, Capitalism, and Even Politics

Don't you think a giant political investment in the 2016 election that might have resulted in a different outcome would have helped the climate more than any of the things in your book?

The Best Home Emergency Kit Gear (2021): Flashlights, Stoves, Chargers, and More

The Best Home Emergency Kit Gear (2021): Flashlights, Stoves, Chargers, and More

Photograph: FenixThe Fenix E20 V2 is my top pick for an affordable emergency flashlight, but the ThruNite Archer 2A V3 ($30) is another solid choice.If you're using alkaline batteries, remove them from the flashlight if it's going to sit unused for a long time, otherwise they'll leak and cause problems.

CES 2021 Highlights: 79 Gadgets and Glimpses Into the Future

CES 2021 Highlights: 79 Gadgets and Glimpses Into the Future

Wi-Fi 6E is a new standard for home networking gadgets—routers, security cameras, internet-connected doorbells—that allows these devices to utilize the 6-GHz wireless spectrum.This new 6-GHz band is also a higher-bandwidth slice of the wireless spectrum, so Wi-Fi 6E devices can send stronger, faster signals that contain more information.

Did QuantumScape Just Solve a 40-Year-Old Battery Problem?

Did QuantumScape Just Solve a 40-Year-Old Battery Problem?

Like the liquid electrolyte that sits between the electrodes in a conventional cell, its main function is to ferry lithium ions from one terminal to the other when the battery charges and discharges.

Physicists Are Closer to Knowing the Size of a Proton … Sort of

Physicists Are Closer to Knowing the Size of a Proton … Sort of

That's because different methods of measuring the proton's charge radius produced results that disagreed —and not just by a little bit.The new work is largely an improved version of past experiments in that it measures a specific orbital transition in standard hydrogen composed of an electron and a proton.

Why It Matters Which Charger You Use for Your Phone

Why It Matters Which Charger You Use for Your Phone

There are always going to be situations where you need to charge up your phone but you don't have the bundled charger on hand—and Apple isn't bundling a charging block at all with the new iPhone 12 (though you still get a Lightning cable in the box).So can you just plug any charger into your phone to juice it up, especially now that the vast majority of handsets support the same wireless charging and USB-C standards?

Mathematical ‘Hocus-Pocus’ Saved Particle Physics

Mathematical ‘Hocus-Pocus’ Saved Particle Physics

To theorists puzzling over the physical meaning of renormalization, QED hinted that the electron had two charges: a theoretical charge, which was infinite, and the measured charge, which was not.

Uber Pledges to Go All-Electric, but It Doesn't Own the Cars

Uber Pledges to Go All-Electric, but It Doesn't Own the Cars

If electric Ubers and Lyfts make the more emissions-friendly options seem more accessible, that’s a win for the planet.“There’s a catalyst opportunity here, to have positive benefits in the market as a whole and not just for ride hailing,” says Don Anair, research and deputy director of the Clean Vehicles Program at the Union of Concerned Scientists.

My Doomed Search for a Bedside Wireless Phone Charger

My Doomed Search for a Bedside Wireless Phone Charger

A good wireless charger should have some kind of grips, so it stays on the surface it sits on, and so it holds onto your phone.

This Cobalt-Free Battery Is Good for the Planet—and It Actually Works

This Cobalt-Free Battery Is Good for the Planet—and It Actually Works

Although the team is not the first to develop a cobalt-free or high-nickel cathode, Manthiram says it’s the first one that doesn’t also have major performance drawbacks like short battery life and low energy density.

The 19 Best Weekend Deals on Tech, Home Gear, and More

The 19 Best Weekend Deals on Tech, Home Gear, and More

Apple AirPods Pro for $220 ($30 off): This deal is not new.Amazon Fire TV Stick 4K for $25 ($25 off): This deal is only valid for select Amazon Prime members, but it's a good price if you're eligible.

The Auto Industry Is Wrecked—Let’s Rebuild It With Electric

The Auto Industry Is Wrecked—Let’s Rebuild It With Electric

To rescue the American auto industry, and our world, we should launch a massive, coordinated private-public partnership: the Green-Car New Deal.So the Green-Car New Deal would focus public investment on creating better, cheaper batteries.

On Instagram, Black Squares Overtook Activist Hashtags

On Instagram, Black Squares Overtook Activist Hashtags

As recent protests have spread across American cities following the death of George Floyd, who died in police custody in Minneapolis, organizers have worked tirelessly to share images and information across social media, urging followers to take action.

Rivian Wants to Bring Electric Trucks to the Masses

Rivian Wants to Bring Electric Trucks to the Masses

Jokes abounded last fall when Elon Musk unveiled Tesla’s new “Blade Runner pickup,” but the Cybertruck can drive up to 500 miles on a single charge and is available with one, two, or three motors.Like Musk, Scaringe does not think his company alone can solve the problem.

Charge a Car Battery in 5 Minutes? That’s the Plan

Charge a Car Battery in 5 Minutes? That’s the Plan

The new Formula E cars will be the first to use extremely fast charging stations that pack enough power to fully charge a Tesla Model S battery in about 10 minutes.For the last 15 years, the company has been perfecting an XFC, or extremely fast charging lithium-ion battery with a pure silicon anode.

A Rest Stop Where Flying Cars Can Recharge

A Rest Stop Where Flying Cars Can Recharge

Clark says the stations can be set up in tight urban spaces, where the 20-foot-high landing platform would help ensure safe approaches and departures for all types of rotorcraft, whether full-sized passenger-carrying air taxis or small delivery drones.

Welcome to the Era of Supercharged Lithium-Silicon Batteries

Welcome to the Era of Supercharged Lithium-Silicon Batteries

His secret ingredient is nanoengineered particles of silicon, which can supercharge lithium-ion cells when they’re used as the battery’s negative electrode, or anode.Several lithium-ion cell prototypes containing Sila Nanotechnologies' silicon anode.

NYC Has an Old-Timey Plan to Fix Its Traffic Future

NYC Has an Old-Timey Plan to Fix Its Traffic Future

New York City is still more than a year away from becoming the first American metropolis to implement a congestion charge , but its plan to ease Manhattan traffic is starting to take shape.

New Emoji Are So Boring—but They Don't Have to Be

New Emoji Are So Boring—but They Don't Have to Be

After it encoded the original set of emoji from Japanese cellphone carriers, Unicode started looking to search results: If you submit a proposal for a new emoji, you need to provide screenshots showing how many webpages are found when you search for its associated word or phrase in Google Search, Bing Search, and Google Video Search, plus Google Trends.

USB-C Has Finally Come Into Its Own

USB-C Has Finally Come Into Its Own

While the body that governs USB protocol, the USB Implementers Forum, sets a Power Delivery standard, manufacturers have come up with their own unique implementations as well.To know exactly what you’re getting, you’re best off sticking with the USB-C cable that comes in the box.

How To Get the Most Out of Your Smartphone Battery

How To Get the Most Out of Your Smartphone Battery

There is good news, which is the lithium-ion batteries inside today's phones are more reliable, longer-lasting, and safer—well, mostly —than ever before.But lithium-ion batteries definitely prefer a slow and steady input.

Get to Know Maxwell's Equations—You're Using Them Right Now

Get to Know Maxwell's Equations—You're Using Them Right Now

Get to Know Maxwell's Equations—You're Using Them Right Now. The behavior of magnets can be explained with Maxwell's equations, which also describe the behavior of light and everyday objects like electric motors.

Bentley Envisions Zero-Emissions Luxury Car by 2035

Bentley Envisions Zero-Emissions Luxury Car by 2035

In honor of its 100th anniversary, the maker of the official car of Queen Elizabeth II unveiled the EXP 100 GT concept, sketching a vision that fuses self-driving technology with interior comforts featuring special scents, wood from naturally fallen trees and seats made from wine-making leftovers.

Why Electric Buses Haven't Taken Over the World—Yet

Why Electric Buses Haven't Taken Over the World—Yet

“You look across the electrification of cars, trucks—it’s buses that are leading this revolution,” says David Warren, the director of sustainable transportation at the bus manufacturer New Flyer.

The Danger in Assange’s Charges, a Memory Experiment, and More News

The Danger in Assange’s Charges, a Memory Experiment, and More News

New charges against Julian Assange threaten all of the press, scientists have figured out how to alter emotional memories, and Memorial Day is coming. New charges unveiled by the Justice Department against WikiLeaks founder Julian Assange paint a troublesome picture for him—and for all journalists.

Scooter Startups Are Ditching Gig Workers for Real Employees

Scooter Startups Are Ditching Gig Workers for Real Employees

Scooter Startups Are Ditching Gig Workers for Real Employees In Los Angeles, electric scooter sharing company Spin will hire employees to collect, charge, fix, and redeploy its vehicles every day.

The Age of Congestion Pricing May Finally Be Upon Us

The Age of Congestion Pricing May Finally Be Upon Us

Los Angeles Metro officials, searching for a way to pay for 28 ambitious transportation projects by the time it hosts the Olympics in 2028, have floated a suite of congestion pricing ideas : charging drivers per miles traveled, or turning carpool lanes to toll lanes, or levying fees on those entering busy neighborhoods during busy times.

R.I.P., Opportunity Rover: the Hardest-Working Robot in the Solar System

R.I.P., Opportunity Rover: the Hardest-Working Robot in the Solar System

R.I.P., Opportunity Rover: the Hardest-Working Robot in the Solar System NASA announced that, after 15 years and 5,000 charge cycles, the Mars rover Opportunity is officially dead.