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A 3D printer made entirely at EPFL

“EPFL students have made a high-performance 3D printer that can print structures measuring just a few microns across. Six months ago, EPFL professors Christophe Moser and Jürgen Brugger were in the market for a printer. But all the options were …

A new look at colour displays

“Researchers at Linköping University have developed a method that may lead to new types of displays based on structural colours. The discovery opens the way to cheap and energy-efficient colour displays and electronic labels. The study has been published in …

A Practical Introduction to Python Programming

“This book started out as about 30 pages of notes for students in my introductory programming class at Mount St. Mary’s University. Most of these students have no prior programming experience, and that has affected my approach. I leave …

Arduino Cable Tracer

“Instantly diagnose the type and integrity of USB cables with this Arduino Cable Tracer. Suitable to trace USB A, Mini, Mico, and USB-C cables this is very useful to identify the exact wiring configuration and also diagnose broken connections …

Arduino MIDI Mouse Controller

“Turn an old “roller ball” mouse into a MIDI controller that can unlock new ways of making digital music. Reimagining MIDI devices based on old electronics I hate throwing away old electronics that still work but are no longer supported …

Arduino Morse Code

“This is an Arduino program that decodes Morse code from an I/O pin.”

AY-3-8910 Speech Synthesis

“A Python library to control a General Instrument AY-3-8910 sound generator from a Raspberry Pi. To demonstrate the abilities of the chip, I used it to synthesize speech. This sound chip was first produced in 1978, and was in …

Better gripping with intelligent picking robots

“Production, warehouse, shipping - where goods are produced, stored, sorted or packed, picking also takes place. This means that several individual goods are removed from storage units such as boxes or cartons and reassembled. Researchers at the Karlsruhe Institute of Technology …

Building a better biosensor polymer

“Conquering a chemical challenge to control the structure of a polymer opens a path to better biosensors. A new organic (carbon-based) semiconducting material has been developed that outperforms existing options for building the next generation of biosensors. An international research …

Chinese astronauts install tools on first spacewalk outside new space station

“For the first time, two astronauts have worked outside of China’s space station, completing only the second spacewalk in the history of the country’s space program. Liu Boming and Tang Hongbo began the six-hour and 46-minute extravehicular activity …