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15 Minute Cities Speech at a City Council Meeting in Aurora, Ontario.
Arizona Republican Party Declares Covid-19 Injections Biological and Technological Weapons...
The first reverse microwave in the U.S.: you can have it at home to save energy while cooking
Freedom of Contract and Property Rights
$300,000 robotic micro-factories pump out custom-designed homes
$300,000 robotic micro-factories pump out custom-designed homes
Skynet Has Arrived: Google Follows Apple, Activates Worldwide Bluetooth LE Mesh Network
The Car Fueled Entirely by the Sun Takes Huge Step Towards Production
A new wave of wearable devices will collect a mountain on information on us...
Star Trek's Holodeck becomes reality thanks to ChatGPT and video game technology
Blazing bits transmitted 4.5 million times faster than broadband
Scientists Close To Controlling All Genetic Material On Earth
Doodle to reality: World's 1st nuclear fusion-powered electric propulsion drive
3 simple DIY "Sand Battery" Air Heaters! all w/non-electric "heat powered" fans! all 3 units run totally off-grid! the hot sand in the 'sand battery' heats the air AND runs the stove fans! no electricity is needed! the hot air rises off the sand and the fans blow that hot air into the living space of a room. hot sand heat storage is a new and exciting technology. sand is great for storing heat *and can store it at very high temperatures. once the sand is heated, the unit (and it's fan) can run for hours! 3 different sand batteries are shown (along with 3 different size stove fans). the on-grid options for heating the sand are stove top or oven. off-grid options are numerous and include campfires, rocket stoves coal stoves, propane stoves, alcohol stoves. (a fresnel lens, a parabolic dish or a solar oven can also be used). a fresnel lens would probably heat the sand very fast