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Private school parents pressured to become BLM activists, NYC dad says
Biggest genetic study of supercentenarians reveals clues to healthy aging
We Are Dangerously Close To "The Tipping Point"
Top Tech News
'We're Coming for You': For Public Health Officials, a Year of Threats and Menace
CAMPUS CAM New bill could allow students to RECORD college professors and use tapes against them
Supreme Court takes case seeking to expand concealed-carry rights in public places
How Wyoming became the promised land for bitcoin investors
Lori (Paul) Pyeatt Requiescat in pace (Ron Paul's eldest daughter)...
China Unveils "AlphaDog" - An Affordable Alternative To The Terrifying "Robo-Dog
"Ice cube tray" retinal patch is loaded with cells to restore vision
Cartilage-inspired material may find use in self-lubricating bearings
Amazon to let Whole Foods shoppers pay with a swipe of their palm
Dash of nanocarbon black makes conductive, heat-generating concrete
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.
World's largest compressed air grid "batteries" will store up to 10GWh
California is set to be home to two new compressed-air energy storage facilities – each claiming the crown for the world's largest non-hydro energy storage system. Developed by Hydrostor, the facilities will have an output of 500 MW and be capabl
Dash of nanocarbon black makes conductive, heat-generating concrete
Concrete is pretty useful, which is why it's the most widely used construction material in the world. But it could be argued that it doesn't really do anything. Now, engineers have made concrete that can conduct electricity and produce heat, by m
Feasability of Deploying Over 10 Terawatts of Space Based Solar
Zachary Manchester of Carnegie Mellon University has received a phase 1 NASA NIAC grant and will study how to create mechanical metamaterials to design lightweight deployable structures with unprecedented expansion ratios of 150x or more.
Circuits, Voltage, Resistance, Current - Physics 101 / AP Physics Review with Dianna Cowern
Lesson 19 (Voltage, Resistance and Current) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you!
Building a Solar Pool Heater for Huge in-ground Swimming Pool
Wim lives in Massachuesttes and love to swim. Unfortunatly, the swimming season is short, and his pool is shaded most of the day. We decided to build a Solar Pool Heater. We found some 4x8 solar collectors (hot water panels) on craigslist. They a
Flatbed Trailer w/ 1200W Solar Array to test All-in-one Solar Systems and Air Conditioner
Flatbed Trailer w/ 1200W Solar Array to test All-in-one Solar Systems and Air Conditioner
Scalable New Fusion Drive
It exploits magnetic reconnection as a fast, high-power ion heating mechanism; natural plasma self-organization as a robust, stable confinement scheme; and passive magnetic compression at modest ratios to reduce overall engineering complexity.
Bladeless turbines could help bring wind power to your home
A Spanish green energy company is pioneering the development of bladeless turbines that can harness energy from wind without the sweeping white blades that have become synonymous with wind power.
Lilium's 7-seat eVTOL is more like an air minibus than an air taxi
Germany's Lilium has announced a 7-seat version of its gorgeous eVTOL air taxi, as well as plans to have a commercial operation up and running by 2024. Oh, and like approximately every other eVTOL company, it's headed to the NASDAQ through a SPAC.
Radioactive DIAMOND battery powered by nuclear waste 'will run for 28,000 years' ...
Radioactive DIAMOND battery powered by nuclear waste 'will run for 28,000 years' and could go on sale by 2023
BAK Battery Unveils First Chinese 4680 Battery Cells
Limited production to start this year, mass production next year.
Ambri: A Battery that Could Change the World
Today Zac and Jesse speak to Donald Sadoway, the Co-Founder, Chief Scientific Advisor of Ambri.
New Solar Product Announcements and Updates!
SOK, Bluetti, Growatt, BigBattery, SBMS and more...
The 12 Million Mile Battery
Tesla recently announced the coming "1 million mile battery" shocking the world.
Yacht of the future: Florida-based designer unveils plans for an eco-friendly...
Yacht of the future: Florida-based designer unveils plans for an eco-friendly $811m superyacht powered by retractable solar-panelled 'sails'
Return of the tri-plane: The revolutionary British-built hybrid aircraft powered by...
Return of the tri-plane: The revolutionary British-built hybrid aircraft powered by electricity and biofuel that's quieter than Hoover
6 Super Easy Tips on How to care for RV Solar Panels
I'm not the sort that likes to do unnecessary maintenance. So when it comes to solar, all I do is clean them once or twice a year.
JFK's Dream of Breakthrough Energy Technology: It Was Real; It Was Passamaquoddy
Discussion of reviving the Passamaquoddy Tidal Power Project has surfaced every few years, with studies undertaken and debates renewed. Each time, most people agree that the engineering plan is sound: the project could be built and it would work. Oth
Portable Wind Catcher turbine pops up in a claimed 15 minutes
Wind turbines are a good source of renewable energy, but they typically incorporate heavy-duty towers – thus making them permanent structures. The new Wind Catcher, however, is designed to be lightweight and portable.
The Alpha Wolf Is An Old-School Looking, Off-Road Electric Truck
And the price won't break the bank.
AmpereTime + Victron = Budget LiFePO4 Battery System
The VE Network is not a Wi-fi network!! Some people below are thinking that you need internet to run this or set it up. Absolutely false. It is the bluetooth network system for victron energy components. Not a wifi network! You can use this network s
Overkill Solar 12/24/48V BMS: High Quality and Beginner Friendly!
12V Battery Build - Bluetooth Connection - Charging/ Low Temp - Protection Test - Max Current Test - 24V Battery Build - 24V BMS Low Temp Charting Protection Test - 24V BMS Continuous Current Test
Max Load Till OCP is Triggered - Conclusion
AeroDelft's Phoenix rising as the world's first liquid-hydrogen aircraft
We've written plenty about hydrogen's potential as a transformative technology for green aviation; in gaseous form, hydrogen offers an energy density much higher than lithium batteries, and that offers a genuine path toward the decarbonization of sho
Tesla Current 10-30% Battery Cost Advantage is Still Improving
Cairn Energy Research Advisors reports that Tesla has the lowest cost batteries by at least 10% and over 24% versus other car companies. This is before the cost reductions that Tesla is implementing from 2020 Battery Day.
What a difference 400 years makes! AI 'Mayflower' will make groundbreaking crew-less...
What a difference 400 years makes! AI 'Mayflower' will make groundbreaking crew-less crossing of Atlantic next month powered by solar energy: Craft will chart same 3,000-mile route taken by ship that brought 102 Pilgrims to America in 1620
Aptera Solar-Powered Car With '1,000-Mile' Range Gets 7,000 Preorders for Delivery in 2021
Looking like a mix between an F-1 car and the Batmobile, the world's first mass-produced solar-powered car just took several more steps towards its first market day.
Long Duration Thermal Energy Storage to Prevent Wasting Solar and Wind Energy
The Malta energy storage system takes electricity, converts and stores that electricity as heat, and then converts it back to electricity to be redistributed on the electric grid. In charge mode, the system operates as a heat pump, storing electricit
Honda, Yamaha, KTM and Piaggio team up in swappable battery consortium
Four major manufacturers have committed to developing a standardized swappable battery system for electric motorcycles, opening up the possibility of quick-swap battery banks at service stations, servicing a range of brands and models.
New catalyst material can help spur the rise of lithium-sulfur batteries
Lithium-sulfur batteries (LSBs) are some of the most promising batteries available today. They are cheaper, lighter and capable of storing much more energy than conventional lithium-ion batteries (LIBs), which currently power most kinds of electroni
Campervan DIY battery build HUGE POWER!
Lithium Titanate Oxide battery build
Special Feature: THE SAFIRE SUN
THE SAFIRE PROJECT has become a commercial venture.
Big oil invests in Eavor's "holy grail" pump-free geothermal loops
BP and Chevron have led a US$40 million investment round for a Canadian startup that claims to have developed a unique way to extract energy from geothermal heat on demand, using an unpowered looping fluid design that's already prototyped in Alberta.
Sunken greenhouse wraps home & feeds suburban antifragile co-op
He turned his father's RV garage into an off-grid home relying on photovoltaics, rainwater and composting toilet. Attached to the home, he built a half-buried (6-feet-under) greenhouse (walipini) to use the earth's heat to grow figs and fruits du
Meet The $4,460 EV Some Are Saying Could Dethrone Tesla In China
It's an unlikely adversary, but SAIC-GM-Wuling's new $4,460 EV could wind up being a Tesla-killer in China.
$159 TalentCell LiFePO4 Review
Batteries that I actually do recommend at a cheaper price can be found here:
Powerpaste packs clean hydrogen energy in a safe, convenient gray goop
Fraunhofer researchers have presented a magnesium-based "Powerpaste" that stores hydrogen energy at 10 times the density of a lithium battery, offering hydrogen fuel cell vehicles the ability to travel further than gasoline-powered ones, and refuel i
Hybrid supercapacitor offers NiMH energy density, charges much faster
QUT researchers have demonstrated a hybrid supercapacitor design that stores vastly more energy than a regular supercap while offering charge/discharge rates much higher than lithium batteries
How does an Electric Motor work? (DC Motor)
Electric motors can seem very mysterious! How do they use electricity to start rotating? Let's break it down step by step to understand how it works. Topics covered in this video: circuits, current, magnets, electromagnets, armature, commutator, br
OFF GRID No Electricity Air Conditioning in the Desert | Making a Solar Chimney
A solar chimney can be a possible solution as an off grid air conditioning that requires no fan, motors, or electricity. Using the power of the sun, we're trying to create a method to help passively cool the inside of the shed. Come along on this uni
Quick rant about "solar generators" (AC50S/Jackery) and my future DIY build that will kill
Does off-grid solar confuse you? Check out my website for solar system blueprints, suggested components and much more
New Electric Car Batteries Can Fully-Charge in 5 Minutes, Like Filling Your Car With Gas.
One of the major barriers to entry of electric vehicles may be set to disappear, as an Israeli startup is now mass-producing car batteries that can deliver 100 miles of charge in just five minutes.
The UK Is Developing Nuclear-Powered Space Exploration for Faster Mars Trips
The UK Space Agency and Rolls-Royce are teaming up to hopefully get humankind deeper into space.
GM Unveils Cadillac Flying Car For Rich People
General Motors stole the show on Tuesday after unveiling the Cadillac Vertical Take-Off and Landing (VTOL) vehicle and electric shuttle concepts in a virtual presentation at the CES expo, according to PCMag.
Gigafactories With New Solar PV Module Tech Might Cause Solar Glut in 2021
China-based PV manufacturing industry has possibly over built new Solar PV Module technology for 2021. If global installs follows the 20% annual global growth of recent years then the world will installs 145GW to 160GW of solar.
Oak Ridge Research Next Generation Cathode Free Lithium Ion Batteries
Oak Ridge National Laboratory researchers have developed a new family of cathodes with the potential to replace the costly cobalt-based cathodes typically found in today's lithium-ion batteries that power electric vehicles and consumer electronics.
The Plan to Build a Global Network of Floating Power Stations
A lot of thermal energy is trapped in the ocean. An ex-NASA researcher has figured out how it might generate unlimited clean power for aquatic robots.
#4 Wiring Schematic for 6,400W DIY Off Grid Solar System
Part 4 Complete wiring schematic for our 6,400 off grid solar system. Red uses the wiring schematic to explain the system as a whole, with special emphasis on the minor components including connectors, cables, breakers, and fuses.
Oak Ridge Research Next Generation Cathode Free Lithium Ion Batteries
Oak Ridge National Laboratory researchers have developed a new family of cathodes with the potential to replace the costly cobalt-based cathodes typically found in today's lithium-ion batteries that power electric vehicles and consumer electronics.
$433 280Ah LiFePO4 Cells Tested: Cheaper than lead acid!
These are new lishen 272Ah cells, not eve 280Ah. I used the barcode under the covers for verification. These cells were resleeved and had the same overpressure valve as the older eve cells, and same dimensions, and same capacity, so I figured they we
Scientists stretch diamond to improve its electronic properties
Diamond is a famously hard material, but now scientists at City University of Hong Kong have managed to stretch it further than ever before.