digital electronics

CGP Grey argues that a classroom works well only for the one student pitched at the average level, and sketches a future of personalized instruction. It introduces the idea of a Digital Aristotle, a tutor for every learner.

Louis Rossmann examines fuses sold on Amazon that fail to trip at their rated current, including a 2A fuse surviving 8 amps. He uses it to criticize Amazon's lax control over safety-relevant products.

Dave Jones of EEVblog debunks the uBeam ultrasonic wireless phone charging technology and explains why it is not practical. He covers efficiency, coupling loss and safety, and responds to the founder's remarks about engineers.

Dave Jones of EEVblog debunks the marketing claims of the self-charging nano nuclear diamond battery from NDB Inc. He argues it is no better than existing 100uW betavoltaic batteries, with an added graphene supercapacitor.

Ross Scott of Accursed Farms lays out a campaign to stop publishers from permanently shutting down games, using The Crew as the test case. He covers government initiatives and the legal options, and the stopkillinggames.com site.

Louis Rossmann argues that reballing flip-chip GPUs is not a real fix for dead laptop GPUs. He explains why such repairs and oven reflow tricks fail and what is actually happening with failing hardware.

Musician Benn Jordan explains how all of his music was removed from Spotify and walks through the history of digital music distribution and fake streams. He argues that Spotify's anti-bot measures are mostly a phony war.