Archive for December 2017

MRAM-like Device Could Make Logic Run Backwards This is an interesting idea: Engineers at Purdue University and the University of California at Berkeley have discovered that a simple combination of commonly available devices creates a computing element that could lead to some truly strange circuits: logic that can perform its inverse operation. Some important aspects of modern computing—notably encryption—depend on there being

Circuit breaker teardown

Here is teardown of 10 A DIN rail mounted miniature circuit breaker (Biltema brand) What you see when you open the case Turn around – circuit open/off/tripped Device reseted to “on” position On the left side of mechanism there is bimetallic overcurrent triggering mechanism – load current goes through bimetallic strip and heats it.  On

Linux antivirus and anti malware: 8 top tools | CSO Online  By most estimates, more than 50 percent of web servers on the internet are running some version of Linux or a related *nix. That should be enough to drive home how critical it is to the ongoing success of the Information Age that you analyze, identify, and eradicate malware on or passing through your

Virtual security

New IT term of the day: Virtual security: Manufacturers claim their products are secure. In reality they are not. Related post:

Suomi Finland 100 years Finland became an independent state on 6 December 1917. The newly born state was willed into being by the Finns after a long struggle. In spite of hard times, the Finnish people have for almost a hundred years engaged in the building of their country and making decisions together.

Entering the Quantum Era—How Firefox got fast again and where it’s going to get faster Over the past seven months, Mozilla developers have been rapidly replacing major parts of the engine, introducing Rust and parts of Servo to Firefox. Plus, thety have worked on performance issues, both obvious and non-obvious. This newly released Firefox is called Project Quantum. This posting goes through the biggest changes to Firefox browser.