Tech
Newsom touts California’s record battery energy gains at UN climate conference
California added 1,200 megawatts of battery energy storage to its electrical grid over the last six months, further building on its nation-leading capacity and pushing the state closer to its clean energy goals, officials said on Nov. 13.
Gov. Gavin Newsom announced the latest milestone while making the rounds at the United Nations Conference of the Parties climate summit in Belém, Brazil, where he is touting the state’s international climate leadership amid the notable absence of officials from the Trump administration.
With the latest additions, the Golden State has reached 16,942 megawatts of available battery storage—about one-third of the estimated capacity needed to reach its goal of 100% clean energy by 2045.
Battery energy storage systems capture excess wind and solar power and push it onto the grid during hours of peak demand, or when the sun isn’t shining or the wind isn’t blowing.
Newsom used the announcement as an opportunity to swipe at President Donald Trump, who has focused heavily on the growth of fossil fuels such as oil, gas and coal while simultaneously slashing funding for renewable energy projects in California and across the U.S.
“Donald Trump’s reckless energy agenda puts China first and America last—letting Beijing seize the global clean energy economy and the good-paying jobs, manufacturing, and economic prosperity that come with it,” the governor said in a statement. “California won’t stand by and watch.”
While China continues to burn fossil fuels, the country is breaking global records with its investments in renewable energy and battery storage. In 2024, China commissioned 37 gigawatts of battery storage, more than the combined additions of the U.S. and Europe, according to the energy think tank Ember.
But battery storage has also been transformative for California, helping the state avoid rolling blackouts and urgent calls for energy conservation, known as Flex Alerts, in the last several years. California now has more installed battery capacity than any other jurisdiction on the planet except for China, according to Newsom.
“We now dominate,” he said at a climate investors event in São Paulo before heading to Belém.
Experts say the state’s gains are impressive. The U.S. has about 37 gigawatts of total operating battery capacity, nearly half of which is in California, said Maia Leroy, founder of the energy consulting firm Lumenergy LLC.
“California is claiming a huge victory here,” Leroy said. She said the state’s capacity of 16,942 megawatts—or 16.9 gigawatts—is enough to power about 13 million homes for four hours, the typical duration of a battery.
The surge in storage is meeting with even faster growth of solar in the state. Together, solar plus batteries have eliminated more than 37% of fossil gas use on the state’s main grid, the California Independent System Operator, in just the last two years, according to Mark Z. Jacobson, a professor of civil and environmental engineering at Stanford University.
“That is an enormous amount of batteries,” Jacobson said.
Energy storage is one of many ways California is hoping to stand out at this year’s COP summit. Representatives from the state—including Newsom, California Natural Resources Secretary Wade Crowfoot and Air Resources Board Chair Lauren Sanchez—have also entered into several partnerships and agreements with other regions and nations this week.
Among them is the Global Energy Storage and Grids Pledge, an initiative started at last year’s COP conference that sets a global target of deploying 1,500 gigawatts of energy storage and building about 15.5 million miles of new transmission infrastructure by 2030. California became the first subnational entity to join the pledge, which has been backed by more than 100 countries and organizations.
The pledge is a good start, but the world needs more than just storage and transmission, Jacobson said.
“California is moving faster than the U.S. as a whole, but to really make inroads, California needs to also electrify transport, industry and buildings as fast as it is building batteries, while growing offshore wind, utility solar, rooftop solar and enhanced geothermal,” he said.
The state is working toward those goals, including pushing forward with a major offshore wind project that lost nearly half a billion dollars in federal funding from the Trump administration this year.
Other agreements signed at COP so far this year include joint partnerships and memoranda of understanding with Colombia, Chile, Nigeria, the Brazilian state of Pará and the German state of Baden-Württemberg on issues such as wildfire prevention and response, sustainable urban transportation and greenhouse gas emission reductions.
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Tech
If You’re Building a Home Gym, Start With Dumbbells and a Yoga Mat
To join or not to join a gym: That is the question. If you opt out of building a home gym, you can join a club and have access to more weights and machines. Friends and classes motivate you to keep coming, and that monthly bill keeps you disciplined. On the other hand, gym memberships are steep, workouts can get hijacked by bullies, and going to the gym is an additional commute.
My gym tardiness, however, will likely catch up to me. One of the most consistent messages from health and fitness experts today is that lifting weights has immeasurable benefits. Strength training allows us to keep doing the things we love well into our advanced years. It reduces blood sugar, lowers blood pressure, burns calories, and reduces inflammation. A recent review of studies in the British Journal of Sports Medicine by Harvard Medical School found that strength training is linked to lower risk for cardiovascular disease, diabetes, and cancer and provides a 10 to 17 percent lower overall risk of early death.
But you don’t need all the time and money in the world to have a great home gym. Reviews editor Adrienne So and I have been slowly adding to our existing, minimalist home gyms in our living rooms and garage—a roughly 10- by 10-foot patch in our basements and living rooms. There’s a ton of equipment out there, but for maximum results, I asked two physical therapists—Grace Fenske at Excel North Physical Therapy and Performance and Samuel Hayden at Limit Less Physical Therapy—for their recommendations.
Here’s a PT-recommended guide for an ultrasimple setup that will keep you pumped and motivated. Don’t see anything you like? Don’t forget to check out our existing guides to the Best Running Shoes, the Best Fitness Trackers, or the Best Walking Pads.
Jump To
Adjustable Dumbbells
Yes, these are very pricey. But people outgrow their small dumbbells very quickly, and if you bite the bullet early, adjustable dumbbells take up a lot less space than individual dumbbell or kettlebell sets. The Nüobell adjustable dumbbells required 38 patents and allow users to increase weight in increments of five pounds all the way up to 80 with a twist of the handle. Each dumbbell set replaces 32 individual dumbbells. In a cramped space, that’s a game changer.
The way that both Steph’s Nüobells and my Nike adjustable dumbbells work is that the full barbell fits into a cradle. (You can also mount the barbells in a stand.) When the user twists the handle to five pounds, the aluminum bar with grooves will grab onto the first hollowed-out plate, which is 2.5 pounds on each side of the barbell. With each subsequent turn of the handle the bar will pick up heavier weight in increments of five pounds. A safety hook at the bottom of the cradle ensures the barbell weight must be locked in place before lifting.
I like my Nike dumbbells because the end of the dumbbell is flat, which means I can rest it on its end on my thigh without putting a divot in my leg. Also, the plates aren’t round. If you have a big round dumbbell on the floor, or especially in your garage, it will find the nearest incline and roll away on top of a house pet or child. You can still take individual plates out of the rack if you need them for leverage under your heel or for mobility exercises. Whichever one you choose, though, both Steph and I recommend getting a floor stand to decrease strain on your back. —Adrienne So
Tech
This AI Tool Will Tell You to Stop Slacking Off
I’ve tested a lot of software tools over the years designed to block distractions and keep you focused. None of them work perfectly, mostly because of context.
Reddit, for example, is something I should generally avoid during the workday, so I tend to block it—this is a good decision for me overall. The problem is that sometimes the only place I can find a particular piece of information online is in a Reddit thread, meaning that to get that information I need to turn off my distraction-blocking tool. Then I inevitably end up down some kind of rabbit hole.
This is the exact problem Fomi, a macOS distraction-blocking tool, is built to solve. The application asks you what you’re working on, then watches everything you do on your Mac desktop—every app you open—and uses AI to analyze what’s on your screen. The tool can tell, from context, whether you’re using a particular website productively or as a distraction.
Zach Yang, part of the team behind the app, tells me on Discord he dreamed up the app after talking with a friend who was studying for an MBA. “He needed YouTube for study videos, so web/app blockers didn’t work, and once he was watching, recommendations would often pull him away,” Yang says. “That’s when I started thinking about using AI to solve this. I built a small prototype to test whether current models were capable of distinguishing distraction from actual work, and the results were good enough that I decided to turn it into a real project.”
Fomi offers a three-day free trial. If you decide you like it, subscription plans cost $8 per month. However, since the tool uploads screenshots of your desktop to an AI model in the cloud, there are privacy concerns you will need to weigh before deciding if a tool like this is right for you.
Watch This Space
I’ve been trying out this application for a couple of days. The first time you launch it, you’re asked what you do day-to-day and what kind of tools you use to do it. Then, when it’s time to focus, you tell the software what you’re working on and which tools you plan to use while doing it.
As you work, a green dot and a timer appear at the top of the screen, surrounding your MacBook’s notch. If you switch to a potentially distracting application, the dot changes to yellow. If you start engaging in things that are clearly distractions, the dot turns red and an animated tomato splats across the screen. You’ll see a custom message telling you to get to work—the app calls out your specific distraction.
Courtesy of Justin Pot
Tech
UKRI sets out strategy to make UK an AI leader by 2031 | Computer Weekly
UK Research and Innovation (UKRI) has laid out a strategy to help the UK boost its artificial intelligence (AI) capabilities, underpinned by research, access to shared assets, and support for innovators and universities.
It has published a six-point plan with a target completion date of 2031, by which time it says the research it supports will make the UK a global leader in explainable, human‑in‑the‑loop systems, agentic AI, edge computing and sustainable models. The 2031 target date also sets out ambitions for faster, reproducible science across disciplines through UKRI‑supported national AI testbeds and shared methods, as well as growing the research and innovation workforce to produce more deep technical experts and those who can drive AI companies and research groups.
From a data access perspective, UKRI’s goal is to open more environmentally sustainable compute and data foundations that provide equitable access to AI research resources through UKRI‑enabled infrastructure and new models released based on these resources, reusable, privacy‑respecting datasets, and Trusted Research Environments (TREs) that accelerate discovery and ensure data providers benefit from their contributions.
The UKRI’s AI safety objectives for 2031 include the UK becoming a co‑leader on global standards for safer, greener AI through UKRI international partnerships.
It also aims to foster a culture where the UK develops and fully harnesses the power of AI to drive economic growth, improve lives and livelihoods, and tackle major global and societal challenges.
Discussing the strategy, Charlotte Deane, senior responsible owner for the UKRI AI programme and executive chair of the Engineering and Physical Sciences Research Council, spoke about the UK’s strengths in mathematics, which puts it in a strong position to grow its AI ambitions. “We must make bold choices in areas where the UK can genuinely lead the world. UKRI will play a central role in backing the full innovation pathway from fundamental research to prototypes to scale-up,” she said.
“By uniting universities, businesses, industry and government, we can unlock the potential we have long had but have not yet fully mobilised,” Deane added.
Among the UKRI initiatives currently deployed are the Radar AI system, which detects faults on the railway network in real time, and the IXI Brain Atlas, which is supporting more than 40 clinical trials into degenerative diseases such as Alzheimer’s.
Commenting on the strategy, UK AI minister Kanishka Narayan said: “The potential of combining our AI expertise with our peerless R&D community is a game-changer. This plan will harness AI to accelerate both the pace and possibility of scientific endeavour.
“We are already seeing AI change the game for what’s possible in fields from health to energy and beyond. Boldly backing this technology is how we push our great British innovators to further success, and build a path to breakthroughs that boost our health, wealth and wellbeing.”
Deputy prime minister David Lammy, who is leading the UK delegation at the India AI Impact Summit, said: “The UK is backing its pioneering AI leadership with more than £1.6bn in investment to make sure the best of British expertise develops the next wave of AI innovations. Together, we are turning potential into progress, and that’s the ambition I am bringing to the AI Summit in India this week.”
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