Two interesting XOR circuits inside the Intel 386 processor(righto.com)

82 points by _Microft 2 years ago | 13 comments

An unusual 7400-series chip implemented with a gate array(righto.com)

140 points by codezero 2 years ago | 30 comments

The transparent chip inside a vintage Hewlett-Packard floppy drive(righto.com)

169 points by picture 2 years ago | 35 comments

Inside an IBM/Motorola mainframe controller chip from 1981(righto.com)

119 points by todsacerdoti 2 years ago | 79 comments

Reverse engineering the 386 processor's prefetch queue circuitry(righto.com)

156 points by todsacerdoti 1 year ago | 46 comments

The Intel 8088 processor's instruction prefetch circuitry: a look inside(righto.com)

178 points by matt_d 2 years ago | 42 comments

Reading QR codes without a computer(qr.blinry.org)

593 points by input_sh 2 years ago | 82 comments

An interactive explainer, written for a 37C3 workshop, teaching the anatomy of QR codes and how to decode them by hand using a cheat sheet.

Anatomy of a credit card rewards program(bitsaboutmoney.com)

1220 points by disgruntledphd2 2 years ago | 705 comments

A Bits about Money essay by Patrick McKenzie (patio11) explaining how credit card rewards programs work and are funded.

Smartphones with Qualcomm chip secretly send personal data to Qualcomm(nitrokey.com)

954 points by h1x 3 years ago | 262 comments

Nitrokey blog post reporting that smartphones with Qualcomm chips secretly transmit private user data to Qualcomm.

Reverse engineering Ticketmaster's rotating barcodes(conduition.io)

2119 points by miki123211 2 years ago | 680 comments

A blog post by Conduition explaining how Ticketmaster's SafeTix rotating barcodes work and how to reverse engineer them using Chrome DevTools.

WiFi could become an invisible mass surveillance system(scitechdaily.com)

420 points by mgh2 8 months ago | 178 comments

SciTechDaily article on KIT researchers warning that WiFi signals could be used to identify and track people, enabling invisible mass surveillance.

Barcodes are about to go extinct(thehustle.co)

61 points by rmason 23 days ago | 92 comments

The Hustle article by Katherine Laidlaw explaining why traditional UPC barcodes are about to be phased out in retail.