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Deej Box - 5 Sliders

“This is my take on the Deej project that allows you to control PC program volumes individually and is fully configurable to individual needs very easily. My design features 5 sliders with magnetic, swappable badges to identify each slider. It …

ESP32 Based RFID Reader with Touch Display

“How to design a nice looking RFID reader based on ESP32 with ILI9341 touchscreen display and for wall mounting. It is very easy to create a nice looking RFID reader with TFT output for wall mounting with an ESP32 DEV …

Floating a boat on the underside of a liquid

“A team of researchers from Institut Langevin and Sorbonne Université has shown that it is possible to float boats on both the top and underside of a suspended fluid. In their paper published in the journal Nature, the group describes …

Gest-R: A Multi-Purpose No Touch Switch

“Gest-R is state of the art gesture switch made to elegantly replace normal electrical switches. Introduction We often come across situations where we have to switch on and off devices in a public space, like fan in an office or …

Google performed the first quantum simulation of a chemical reaction

“Google researchers have used a quantum computer to simulate a chemical reaction for the first time. The reaction is a simple one, but this marks a step towards finding a practical use for quantum computers. Because atoms and molecules are …

Heaviest Black Hole Merger is Among Three Recent Gravitational Wave Discoveries

“University of Maryland physicists help identify merging black holes that may redefine size limits for collapsed stars Scientists observed what appears to be a bulked-up black hole tangling with a more ordinary one. The research team, which includes physicists from …

Homemade 3 in 1 CNC (Router, 3D Printer & Laser Engraver)

“his is by far the most longest-running build I have ever made and some improvement always left here and there. But overall said that the machine is running fine without giving any trouble. My main objective is always to educate …

How dangerous are burning electric cars?

“What happens if an electric car burns in a road tunnel or an underground car park? In the Hagerbach test tunnel in Switzerland, Empa researchers and tunnel safety expert Lars Derek Mellert set fire to battery cells of electric cars …

Inside the HP Nanoprocessor: a high-speed processor that can’t even add

“The Nanoprocessor is a mostly-forgotten processor developed by Hewlett-Packard in 1974 as a microcontroller for their products. Strangely, this processor couldn’t even add or subtract, probably why it was called a nanoprocessor and not a microprocessor. Despite this limitation …

Laser jolts microscopic electronic robots into motion

“In 1959, former Cornell physicist Richard Feynman delivered his famous lecture “There’s Plenty of Room at the Bottom,” in which he described the opportunity for shrinking technology, from machines to computer chips, to incredibly small sizes. Well, the bottom …