Fingerpori is a Finnish comic strip written and drawn by Pertti Jarla. It started in Helsingin Sanomat in February 2007, and is comprehensively distributed in major provincial newspapers. The humour in Fingerpori is largely verbal and is often based on (mostly untranslatable) wordplay and puns. The strips often have an absurdist element. But some Fingerpori →
Research team at City University of Hong Kong (CityU) has discovered a new type of sound wave: The airborne sound wave vibrates transversely and carries both spin and orbital angular momentum like light does. The findings shattered scientists’ previous beliefs about the sound wave. “While the airborne sound is a longitudinal wave in usual cases, →
STEGO KTO 011 is electromechanical thermostat designed for controlling electrical heating. The thermostat has one NC (normally closed) contact that normally conducts, but opens when temperature exceed the set temperature. The temperature control range is 32-140F. The electrical NC contact is rated for AC120V 16(2)A and AC250V 10(2)A. Let’s open the device. The temperature controlling →
Here is teardown of Stego FZK 011 thermostat. Thar is an electronechanical thermostat that can control heating resistor and/or cooling fan. The thermostat is based on bimetal strip that bends based on temperature. To get sharp transition and some hysteresis there is also magnet near silver calibration adjustment screw and electrical contacts. Components on board →
This posting is here to collect cyber security news in December 2021. I post links to security vulnerability news to comments of this article. You are also free to post related links to comments. →
Android 12 is the newest Android mobile operating system version. Android 12 is the twelfth major release and 19th version of Android, the mobile operating system developed by the Open Handset Alliance led by Google. Android 12 was released publicly on October 4, 2021, through Android Open Source Project (AOSP) and was released to supported →
Ethernet over twisted-pair technologies use twisted-pair cables for the physical layer of an Ethernet computer network. Most commonly standards use 8P8C modular connectors (often called RJ-45), and supported cable standards range from Category 3 to Category 8. These cables typically have four pairs of wires for each connection, slower standards (10M and 100M) used only →
When weather gets freezing cold car windows start to freeze and engine can have problem to start. For this reason in countries where there is freezing cold weather on winter time, people use heaters to help up starting their cars during winter time. In Finland it is common to use engine preheater and interior heater. →
Arduino Celebrates 10 Million UNOs, Launches the Tiny Collectable Arduino UNO Mini Limited Edition https://www.hackster.io/news/arduino-celebrates-10-million-unos-launches-the-tiny-collectable-arduino-uno-mini-limited-edition-12793b2461f9 “The iconic board, which first launched back in 2010, has become synonymous with Arduino itself,” Major sales milestone gives birth to a compact UNO clone, finished in eye-catching black and gold — and even boasting castellated pins. The first tweak →
Happy Max Headroom signal hijacking day!! https://en.m.wikipedia.org/wiki/Max_Headroom_signal_hijacking The Max Headroom signal hijacking occurred on the night of November 22, 1987, when the television broadcasts of two stations in Chicago, Illinois, United States, were hijacked in an act of broadcast piracy by a video of an unidentified person wearing a Max Headroom mask and costume. According →