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Coffee stains inspire optimal printing technique for electronics

“Using an alcohol mixture, researchers modified how ink droplets dry, enabling cheap industrial-scale printing of electronic devices at unprecedented scales. Have you ever spilled your coffee on your desk? You may then have observed one of the most puzzling phenomena …

Cosmic rays may soon stymie quantum computing

“Building quantum computers underground or designing radiation-proof qubits may be needed, researchers find. The practicality of quantum computing hangs on the integrity of the quantum bit, or qubit. Qubits, the logic elements of quantum computers, are coherent two-level systems that …

Covid-19 Personal Cumulative Risk Index Tracker

“Wireless wearable device to control if there is a safe distance between you and the flow of people around you. Inspired by the classic radiation dosimeters that we have seen in many documentaries and films, the idea of ​​the project …

COVID-Free Contactless Cordless Bell Using

“Year 2020, has taught us many new things. Our lifestyle has changed and we have adopted to many new and safe ways of livelihood. From social distancing to working from home, our main aim these days is to stay safe …

Crystal Glass Beads and LEDs - a Kind of Kaleidoscope

“In this article, I propose the construction of a decorative object that is very easy to make and also very spectacular. Maybe you remember one of our favorite childhood toys, the kaleidoscope, with colored crystals and mirrors, all inserted in …

DIY 10Hz-50kHz Arduino Oscilloscope on 128x64 LCD Display

“This project describes a way to make a simple oscilloscope that has a range from 10Hz to 50Khz. This is an extremely large range, given that the device does not use an external digital to analog converter chip, but only …

DIY Game Console Using Arduino

“In this tutorial I’m going to show you that how can you make a gaming console using Arduino nano. So if you want to see detailed video on it then check it out on my youtube channel Supplies:If …

Electron movements in liquid measured in super-slow motion

“Electrons are able to move within molecules, for example when they are excited from outside or in the course of a chemical reaction. For the first time, scientists have now succeeded in studying the first few dozen attoseconds of this …

Exploring IA at the Edge!

“Image Recognition, Object Detection and Pose Estimation using Tensorflow Lite on a Raspberry Pi Introduction What is Edge (or Fog) Computing? Gartner defines edge computing as: “a part of a distributed computing topology in which information processing is located close …

From Biopaste to Bioplastic

“A viscous biopaste that is easy to process, solidifies quickly and is suitable for producing even complex structures using the 3D printing process has been developed by a research team headed by Prof. Dr. Marie-Pierre Laborie from the Chair of …