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FAA grounds Virgin Galactic’s spacecraft during investigation of Branson flight issues

“The Federal Aviation Administration grounded Virgin Galactic on Thursday, as the federal regulator investigates the company’s previous spaceflight that carried founder Richard Branson. “Virgin Galactic may not return the SpaceShipTwo vehicle to flight until the FAA approves the final …

Ferroelectrics everywhere?

“New family of ferroelectric materials raises possibilities for improved information and energy storage A new family of materials that could result in improved digital information storage and uses less energy may be possible thanks to a team of Penn State …

Generating entangled photons with nonlinear metasurfaces

“A new method for generating quantum-entangled photon pairs employs nonlinear metasurfaces to enhance and tailor photon emissions—an important step towards creating miniaturized quantum devices for everyday applications Quantum nanophotonics is an active research field with emerging applications that range …

Geologists propose theory about a famous asteroid

“The troughs on Vesta have long been a topic of scientific speculation The asteroid Vesta is the second largest asteroid in our solar system. With a diameter of about 330 miles, it orbits the sun between the planets Mars and …

Imaginary Numbers Protect AI From Very Real Threats

“Using complex numbers helps secure machine learning algorithms from adversarial attacks in experiments focused on image classification. Computer engineers at Duke University have demonstrated that using complex numbers—numbers with both real and imaginary components—can play an integral part …

IR Remote Controlled Motorized Potentiometer – Arduino Compatible

“This is an Infrared Remote controlled motorized potentiometer controller. It’s an open-source project built on the Arduino platform and compatible with Arduino IDE for custom programming. The project consists ATMEGA328 microcontroller, IR sensor, L293D motor driver, ALPS Motorized potentiometer …

Laser Engraving With DIY Arduino Scara Robot

“In this tutorial I will show you how I converted my DIY 3D Printed SCARA robot arm that I built in one of my previous videos to work as a laser engraver. You can watch the video following video or …

Linux Kernel 5.14 Released, This is What’s New

“Announcing the latest kernel’s arrival on the Linux Kernel mailing list Linux founder Linus Torvalds couldn’t resist acknowledging the attention his ‘hobby’ project has received for its 30th anniversary recently, remarking: “I realize you must all still be …

Low Voltage Microphone Preamplifier with Variable Compression and Noise-Canceling

“This is a complete microphone signal conditioning project. Designed primarily for voice-band applications, this project provides amplification, limiting, variable compression, and noise gate. User-adjustable compression ratio, noise gate threshold, and two different fixed gains optimize circuit operation for a variety …

Micro FPV Boat From Drone Parts

“Introduction If you are anything like me then you have an ever-growing collection of damaged drone parts. Sometimes those parts accumulate back into a drone, but there are always a few leftovers… The goal of this project was to use …