Pre-order The Roost: A 9-Volt That Gives Smoke Detectors Notifications

Back in January we got our first hands-on with the Roost at CES, but anyone who’s ever used a 9-volt battery is already familiar with the product. The only difference is that this 9-volt includes built-in wifi to give your standard smoke detector the ability to send alerts to your smartphone. » 6/24/15 9:00am 6/24/15 9:00am

These Fuel Cell Trolleys Can Power an Old Plane's In-Flight Electronics

Believe it or not, that modern-looking tin can in the sky you’re flying—with its touchscreen TVs at every seat—most likely took flight for the first time decades ago. All of those fancy electronics are upgrades sucking on outdated power systems. That’s why these trolley carts were created to deliver a different kind… » 6/08/15 4:45pm 6/08/15 4:45pm

5 Bizarre Quotes That Prove Elon Musk Is Probably a Genius

When everyone—including you—jokes that you have a secret volcano lair, it’s probably more than likely some other off-color remarks might find their way out of your mouth. A new book about Elon Musk contains at least two dozen such statements. If even a third of these are true, he’s probably even smarter than we… » 5/11/15 6:15pm 5/11/15 6:15pm

Tesla's Gigafactory Isn't Big Enough to Make Its Preordered Batteries

As Elon Musk revealed in an earnings call earlier this week, people preordered a shit-ton of Tesla’s new batteries: Over 50,000 Powerwall units were reserved. Now some interesting math, courtesy of Bloomberg: The five million square-foot Gigafactory planned outside of Reno probably isn’t big enough to make them all. » 5/08/15 1:27pm 5/08/15 1:27pm

Tesla Battery Economics: On the Path to Disruption

Elon Musk announced Tesla’s home / business battery today. tl;dr: It’ll get enthusiastic early adopters to buy. The economics are almost there to make it cost effective for a wide market. And within just a few years, it almost certainly will be cheap enough to be cost effective for a broad market. Not a complete game… » 5/03/15 1:00pm 5/03/15 1:00pm

The Information Age Is Over. Welcome to the Infrastructure Age.

Nobody wants to say it outright, but the Apple Watch sucks. So do most smartwatches. Every time I use my beautiful Moto 360, its lack of functionality makes me despair. But the problem isn’t our gadgets. It’s that the future of consumer tech isn’t going to come from information devices. It’s going to come from… » 5/01/15 10:45am 5/01/15 10:45am

Everything You Need to Know About Tesla's New Household Batteries

Tesla unveiled a new product line at its design studio in LA tonight. It’s called Tesla Energy and it’s a suite of batteries for homes and for businesses. The existence of the batteries has been one of the worst kept secrets of all time. But we are here at the announcement event and finally have some details. And… » 5/01/15 9:15am 5/01/15 9:15am

Tesla's New Battery Could Solve One of Solar Power's Biggest Problems

So far, specific details are thin on the new battery designed for home use that Tesla’s announcing next week. But just based on what we do know, it’s a pretty big deal. The quest for a good battery that can store home-generated power is kind of like the holy grail for a renewable energy future. This one product might… » 4/23/15 9:45am 4/23/15 9:45am

Tesla's Next Big Product Is Coming On April 30: Batteries

When Elon Musk makes his next big announcement later this month he won’t be joined by an electric car or a space-bound capsule. Tesla will finally be passing along details on its long-awaited batteries designed for home use, plus a “utility-scale” battery as well—both of which will likely be manufactured in its new… » 4/22/15 10:12am 4/22/15 10:12am