The Vicente López reserve is in the La Lucila neighborhood of the Vicente López district, in the sector between Paraná and Darwin streets, and from Eduardo Ramseyer and the train tracks to the river. On its two hectares of surface, the visitor can observe a varied set of species of animals and plants native to the riverbank of the River Plate. It has an environmental …
Some historical background In my last article, I mentioned the avoirdupois pound, but I avoided any side story about this measurement unit to focus on the horsepower story. But after researching its origins and evolution, I discovered, IMHO, a fascinating story. The avoirdupois system is a system for the measurement of weight developed in the …
Like everybody else with a broadband internet connection, I spend an embarrassing amount of time watching YouTube videos. Shame on me. The only redeeming factor of my worthless habit is that the videos I like to watch are usually about stuff I like; history, science, engineering, planes, cars, astronomy, space, computers, well you get the …
A forgotten war There was a war that took place in 2020, and I am fairly sure you did not know much about it. After all, we were all caught in the middle of the Covid19 pandemic, so news about a small war declared between two little-known countries located in Southeast Asia, over the possession …
An unexpected shortage You may have heard some news about the worldwide shortage of chips. Not potato chips, or wood chips. We are talking about integrated circuit chips, a.k.a. silicon semiconductor chips, like the ones you could find inside your PC, at least when manufacturers still allowed you to open the case without voiding your …
There are other good things about Sweden, apart from köttbullar (Swedish meatballs) If you think that Sweden is just a place to find boxy Volvos and weird Saabs, then the following fact will surprise you: One of the three fastest production cars in the world was designed and built in Sweden. In a world dominated …
The following two images are each composed of 36 different shots. Yes, you read correctly, I employed 36 photos to create this panorama.Of course, the merit goes to the fantastic composition tools available in Adobe Lightroom. I just had to have the patience of taking the 36 shots. That reminds me of the fact that, …
Yesterday was Tuesday the 13th. For most of the world, Friday the 13th is the traditional bad luck day. But for the majority of Spanish-speaking people, Tuesday the 13th is the ominous one. The fear of the number 13th has a scientific name: “triskaidekaphobia”.The fear of the Friday the 13th is called “paraskevidekatriaphobia”. Apparently, its …
When digital technology became available, the idea of improving the 4-20 mA signal became the goal for every major instrumentation supplier. Using newly available cheap microprocessors, manufacturers developed various techniques to include additional information to be encoded digitally into the 4-20 mA current signal loop. As far as I can remember, the three major contenders that attempted to do this were Foxboro, with its FoxCom protocol, Yokogawa with its Brain protocol and Rosemount with the HART (Highway Addressable Remote Transducer) protocol.
An Alpine is a car made by the Société des Automobiles Alpine SAS, a French racing and sports car manufacturer established in 1955 in the city of Dieppe, located in the Normandy region in the north of France. Dieppe is also known for the Dieppe Raid in WW II. On August 19th, 1942, the Allies …
