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Top Tech News
Dude turns a $23 used smartphone into the 4G brain of an RC aircraft.
China's World-Beating Supercar Just Hit 312 MPH
Pentagon Delivers 25,000+ Drones And Counter-Drone Systems To CENTCOM In A "Massive Surge"
Prism puts an eye-controlled Linux computer on your face
Remember Yesterday: AI For Today and Tomorrow
Robot Mowers Invade America's Golf Courses, Putting Groundskeepers On Notice
Monstrous 13-foot mecha craves the dangerous jobs humans avoid
Scentronic tech lets you smell the internet
Virgin Galactic's new rocket plane revives its bid for a space airline
The metal kept moving east while the sellers ran, and Ronnie called the flush a week early
Energy
Energy independence turns the gears of the visionary’s imagination, and grants us individual control of our modern lives. No meaningful alternative to the Crown’s system can be achieved without exploring decentralized energy production and storage.
After Years Of Delays, Aptera Is Finally Preparing To Build Customer Cars
It only plans to build 40 units at first, which will do little to fulfill its 50,000 reservation backlog.
Betavolt unveils revolutionary coin-size battery with nickel-63 nuclear isotope...
...and diamond semiconductors
Please DON'T Buy A Walmart Battery Until You See This Review!
Batteries tested for cold cranking amps, cranking amps at ambient temperature, reserve capacity, internal resistance, and I tested their state of health. The results were pretty surprising to say the least!
BYD Claims Its New EV Can Go 683 Miles On A Charge--And Add Hundreds More In 5 Minutes
The Denza Z9S is billed as the world's longest-range EV. The Lucid Air would like to have a word.
Renewable Energy Breakthrough! World's Most Efficient Tesla Turbine System
Discover a revolutionary Tesla turbine system that converts heat into electricity using almost any heat source - even trash.
Chinese Scientists Develop Nuclear Battery Using Carbon-14
Researchers at a Chinese institution have developed a nuclear battery powered by carbon-14, according to a report published by Interesting Engineering.
General Atomics pushes ahead with self-fueling nuclear fusion tech tests
General Atomics has received tax-credit funding from the state of California to design and develop a new facility in San Diego to test a key fusion reactor component that will allow the reactor to create its own fuel while generating power.
The Crosley IcyBall
The Crosley IcyBall was manufactured and sold by Powel Crosley Jr. beginning in 1929. The IcyBall worked using an ammonia-water absorption refrigeration system with no electricity or moving parts.
Our Diesel-Electric Truck Is So Quiet the Military Wants One
From American Muscle to Classics to Diesels, DG will show you how to build, swap, and repair anything with a throttle.
Why Did We Stop Using Salt To Cool Our Homes?
Salt was one of the most important cooling tools in human history. Long before refrigeration, salt preserved food, created ice in the desert, and chilled entire underground storage rooms to temperatures that kept meat and dairy fresh for months.
UZ Energy: German Designed Server Rack Battery Tested!
Tear Down! Wow! - 100A Cycle Test! - Comm Setup and Charge EV - 400A Charging! - What I Disliked! - Is this a battery for ants?! - Conclusion
I Stopped Scrolling and Started Building (Here's What Changed)
We didn't quit social media completely. I still make videos. You're watching one right now.
Finland's Sand Battery Delivers Cheaper Heat with 70% Lower Emissions
Four childhood friends tested a prototype in a grandfather's garden.
LFP Battery Explosion Risk! What you NEED to know..
The Cause - StacheD Training - The Solution - Inconsistent Safety Standards - Discussion of Risk - The 4 Recorded Cases of Explosion - What I Am Doing Different - Why Rare? Perfect Storm Required? - Challenge for StacheD Training! - Conclusion
Sodium Ion Batteries Can Reach 100 Gigawatt Per Hour Per Year Scale in 2027
CATL will invest 5 billion yuan ($735 million) to significantly expand its sodium battery capacity by an added 40 GWh per year.
Juiced Bikes proves capable electric motorcycles don't have to cost a lot
All right, I admit it, I have a thing for affordable off-road electric motorcycles. There's just something about a battery-powered, inexpensive dual sport that's quiet, filled with torque, and almost as light as a lawn mower. Heck yeah!
What Can a $1000 Solar Setup Run?
What Can a $1000 Solar Setup Run?
12V 628Ah LFP Battery for $999?! What's the catch!
12V 628Ah LFP Battery for $999?! What's the catch!
$649 Dirt Cheap Server Rack Battery! You won't believe what I found inside!
A forum member also pointed out that this battery is 52cm wide, so it will not fit in standard server racks. Also, the supply conductor was loose. I wiggle a lot of wires and never had one this loose from the factory. Yikes!
US To Develop Small Modular Nuclear Reactors For Commercial Shipping
The United States is seeking to develop small modular nuclear reactors (SMR) for commercial vessels that would potentially bring down shipping costs, the Department of Transportation (DOT) said in a May 7 statement.
The $5 Battery That Never Dies - Edison Buried This 100 Years Ago
This video shows you the parallel power system any homeowner can build alongside the existing electrical wiring of a house already standing -- no rewiring, no contractor, no permits -- using two or three nickel-iron cells wired to a hundred-watt so
Solar Power Doesn't Depend on Refineries or the Straight of Hormuz
Solar Power Doesn't Depend on Refineries or the Straight of Hormuz
Testing the 1,000hp Carbon Fibre Motor That Fits Inside a Wheel
Last month we looked at the record breaking motor from YASA, delivering 1000 hp in just 12kg - made possible by their advanced composite rotors and magnets. Today, we see how it integrates into the complete system, and how that is all tested to make
12V 460Ah Epoch "V2-T" Marine Rated Battery! Holy Cow..
12V 460Ah Epoch "V2-T" Marine Rated Battery! Holy Cow..
'Spin-flip' system pushes solar cell energy conversion efficiency past 100%
Energy can never be created or destroyed. That's basic Physics 101. You simply cannot create energy out of thin air. Yet researchers at Kyushu University in Japan say they have developed a technology that pushes the energy conversion efficiency of so
DEYE 215kWh LiFePO4 + 125,000W Inverter + 200,000W MPPT = Run A Factory Offgrid!!
Building The Behemoth, Major Parts Explained, Load Test, etc...
This $200 Black Shaft Air Conditions Your Home For Free Forever -- Why Is It Banned in the U.S.?
You don't need a massive AC compressor to cool a house. A thermal chimney is a tall, black-painted hollow shaft built onto the sunny side of a house. As the sun beats on it, the air inside gets scorching hot and naturally rises out the top vent.
This Plasma Stove Cooks Hotter Than The Sun
I wanted to see just how impossible a cordless, rechargeable plasma stove would be. In the end, it was one of my hardest builds, and I succeeded at making one of the first, if not the first, plasma powered camping stove.
Energy storage breakthrough traps sunlight in a molecule
Beyond the rather low efficiency of today's solar panels in converting the power of the sun into electricity, the transformational potential of solar energy is presently held back by battery storage technology.
Converting Diesel Vehicles to Run on Waste Vegetable Oil, by Polar Bear
Editor's Introductory Note: This article was posted in SurvivalBlog in September, 2007. Given the recent spike in fuel prices, I thought that it would be apropos to re-post it. – JWR
This Home Flywheel Makes Storing Solar 90% Cheaper -- And It Works Forever!
Chemical lithium-ion batteries like the Tesla Powerwall degrade over time, lose capacity in the cold, and die after 10 years.
Mini quantum battery charges a million times faster than it discharges
What comes to mind when you imagine fast charging? Smartphones going from zero to 100% in minutes?
Beginners Guide to Shelly Relays - Choose The Right Relay For The Job
Which of the Shelly relays is right for you? I'll walk you through everything you need to know in this short video.
Homestead Fuel Storage and Rotation, by NC Bluedog
For our homestead, liquid fuel equates to four items, namely: Propane, diesel fuel, kerosene and last but not least gasoline. For each fuel, there are specific uses, distinct storage requirements and longevity considerations. Let me discuss each in o
This House Is 10 Feet Underground and Costs $0 to Cool. Why Is It Banned in 30 States?
Built popular in the 1970s, these homes utilize "Geothermal Coupling." Because the earth is a near-perfect insulator, the house requires no AC in 100°F heat. They are "banned" or "gatekept" by Building Egress and Window-to-Wall Ratio codes. These co
Cold Tolerant Lithium Battery?? Without Heaters!? Ecoworthy Cubix 100 Pro!
Bold Claims - Capacity Test - Cycle Testing - Rapid Shut Down Test - Cold Temp - esting #1 - Lots of Issues - Cold Temp Testing #2 - Results
Mobile Solar on Vehicles: Powering Agriculture and Everyday Life
Mobile solar panels on vehicles offer versatile power solutions for agriculture and general use, enabling off-grid operations and reducing reliance on fossil fuels.
$100 Solar Panel vs $100 Wind Turbine in a Normal Backyard
I was not expecting that from the wind turbine
Tetris founder's family village is collapse-proof, remote offgrid-topia
High in the hills of Hawaii's Big Island, Henk Rogers--best known for bringing Tetris to the world--is taking on a new kind of challenge: building a fully off-grid life. On his 32-acre ranch, he's growing his own food, producing his own energy,
DIY? The best off grid framing method you've never heard of.
Truss framing the whole off grid cabin building. I'm using a book written in 1984 as my inspiration. The book is about truss framing a whole house and super insulating it. Written with DIY in mind.
Preparing My Family for WWIII (DIY Solar Build)
Beloved, welcome back to the homestead.
Solar And Storage Could Reshape Rural Electricity Markets
Rural electric cooperatives may face disruption from cheaper on-site renewables.
The world's first diesel plug-in hybrid pickup truck is here
In another example of "I didn't have this on my 2026 wishlist", we have The Chery KP31: a diesel plug-in hybrid powertrain packaged in a pickup. In a segment dominated by gasoline and battery-only powertrains, a new contender has emerged from China
US advances nuclear revival with approval of Natrium Gen IV reactor
The United States has taken a step toward a 21st-century renaissance in civilian nuclear power as the Nuclear Regulatory Commission (NRC) has given the go-ahead for TerraPower's Natrium Gen IV reactor to begin construction – the first such approval
$100 Solar Panel vs $100 Wind Turbine in a Normal Backyard
I was not expecting that from the wind turbine
This Home Costs $300 to Build and $0 to Heat FOREVER. Why Is It Banned? (Publisher Recommended)
This video explores the surprising story behind one of the oldest and cheapest building materials on Earth.
Aptera solar EV rolls off assembly line for the first time
It has been a long, twisting journey for Aptera's solar-powered EV (sEV), but we can at last report that the extraordinary futuristic car has taken a huge step toward mass production.
Building the Mother of All Solar Panel Mounts
Today we begin building what I'm calling the mother of all solar panel mounts.