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“Researchers at the University of Maryland (UMD) and US Army Research Lab (ARL) have taken a critical step on the path to high energy batteries by improving their water-in-salt battery with a new type of chemical transformation of the cathode …
“The Newtons pendulum is a device that demonstrates conservation of momentum and energy. A typical Newton’s cradle consists of a series of identically sized metal balls suspended in a metal frame so that they are just touching each other …
“Tiny light-emitting microalgae, found in the ocean, could hold the secret to the next generation of organic solar cells, according to new research carried out at the Universities of Birmingham and Utrecht. Microalgae are probably the oldest surviving living organisms …
“UTokyo engineers develop a way to create high-capacity long-life batteries Engineers at the University of Tokyo continually pioneer new ways to improve battery technology. Professor Atsuo Yamada and his team recently developed a material which could significantly extend the life …
“Create your very own power bank that can be charged by the sun or via a micro-USB. I have designed 2 variations, depending on the power output you require. One that outputs up to 30V via a DC Jack …
“The Desktop Device is a small personal desktop assistant that can display various information downloaded from the internet. This device was designed and built by me for the CRT 420 - Special Topics class at Berry College which is lead by …
“This instructable explains how to make a tilt compensated compass using an Arduino UNO R3, an LCD display, and an IvenSense MPU-9250 multi-chip-module that contains an MPU-6050 accelerometer / gyro and an AK8963 magnetometer within the same package. The …
“Now days USB power source is very common and available in many devices and power banks. This DC-DC converter provide -5V negative voltage from +5V USB power source. This converter can be used in a wide range of industrial …
“Floating offshore wind turbines are gaining ground. A new Danish project aims to make it cheaper and easier to produce floating foundations for deep water. There are only 11 floating offshore wind turbines in the world. The first Danish-developed floating …
“Retro computer built from 1978-era TTL logic chips. Internet capable with built in web browser and server Can you browse the Web using pre-1980 TTL logic and memory speeds? The goal of this project is to demonstrate how. Internet connectivity …