Tech

Flying 3D Printer Drones

Researchers from Imperial College London and Switzerland's Empa institute have developed a system to deployed automated flying 3D printer drones which can be used to print structures in awkward to reach or inhospitable places. Inspired by bees, the Aerial Additive Manufacturing system (humourously) consists of two drones working together, one worker drone that does the printing and one gaffer drone that monitors the work and directs the worker drone to stick to the blueprint if it veers off script.

Janet Jackson Can Crash Your Hard Drive

A story from The Register, syndicated through MSN, tells of mysterious computer crashes whenever Janet Jackson's Rhythm Nation was played, by the computer itself or close to it. After what I imagine was some wild debugging, it was discovered that the song contains frequencies that match the resonant frequency of some brands of 5400rpm hard drives used in older computers. The issue has now been declared as a cybersecurity vulnerability.

Sonar Face Expressions

Engineers at Cornell University have demonstrated how facial expressions can be detected and recreated using sonar on a wearable placed on each side of the head. A machine learning model analyses the sonar echo produced from a speaker and microphone on each ear to detect changes in skin on the face. The system effectively recognises facial expressions with the same detail as a camera.

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