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“Perovskite solar cells are a promising new low-cost photovoltaic technology, but most contain toxic lead; a team led by Brown researchers has introduced solar cells with a new titanium-perovskite material that gets the lead out. A class of materials called …
“An international team of quantum scientists and engineers led by the University of Bristol and involving groups from China, Denmark, Spain, Germany and Poland, have realised an advanced large-scale silicon quantum photonic device that can entangle photons to incredible levels …
“This is a tutorial on how to make a prank involving a robot that plays sounds when somebody walks by. This prank uses an Arduino, a distance sensor, a servo motor and a DF Player amongst other materials. We hope …
“A study led by researchers at Tokyo Institute of Technology (Tokyo Tech) has uncovered new ways of driving multi-legged robots by means of a two-level controller. The proposed controller uses a network of so-called non-linear oscillators that enables the generation …
“RMIT University researchers have demonstrated for the first time a working rechargeable “proton battery” that could re-wire how we power our homes, vehicles and devices. The rechargeable battery is environmentally friendly, and has the potential, with further development, to store …
“I have a whole tray of these 7-segment displays that I pulled out of boards at work that someone threw in the garbage. I’ve had them for well over 10 years. Every now and then, one comes in handy …
News Continuing frequency deviation in the Continental European Power System originating in Serbia/Kosovo: Political solution urgently needed in addition to technical
“The Continental European (CE) Power System -a large synchronized area stretching from Spain to Turkey and from Poland to Netherlands; encompassing 25 countries- is experiencing a continuous system frequency deviation from the mean value of 50 Hz, and this since …
“A skyrmion is a collection of electron spins that look like a vortex in certain magnetic materials. Skyrmions can exist individually or in patterns referred to as lattices. Named after British physicist Tony Skyrme who first theorized the existence of …
“Scientists show that single nickel atoms are an efficient, cost-effective catalyst for converting carbon dioxide into useful chemicals Imagine if carbon dioxide (CO2) could easily be converted into usable energy. Every time you breathe or drive a motor vehicle, you …
“Spring is coming and there are lots of plants to get started. Here’s a customizable flower pot to help. I’m not sure how well PLA really works as flower pot material (it should be fine), but you don …