Arturo Del Castillo

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15 Critical Habits Of Mentally Strong People

We all reach critical points in our lives where our mental toughness is tested. It might be a toxic friend or colleague, a dead-end job, or a struggling relationship.<p>Whatever the challenge, you have to be strong, see things through a new lens, and take decisive action if you want to move through it …

Pluto's escaping atmosphere extends 1,000 miles out into space

That's more than 13 times farther than Earth's atmosphere reaches<p>Pluto's atmosphere has an extended reach. Data collected by NASA's New Horizons spacecraft reveals that the gas surrounding the dwarf planet extends as far as 1,000 miles outward into space. That's more than 13 times farther than …

Introduction to Programmable Logic Controllers (PLCs)

<b>What is a Programmable Logic Controller, or PLC?</b><p>If you’ve used a computer, and you’ve used an Arduino, Raspberry Pi, or any number of other microcontrollers, you might think that a computer based on the physical world is a relatively new concept. A digital input causes some sort of conditional …

Arduino

Raspberry Pi AirPlay Speaker

The Raspberry Pi is a full Linux computer that’s about the size of a credit card and sells for $25–$35. It has a 700MHz ARM CPU and 512MB of RAM. Because of its capabilities and its low price, it has become wildly popular with the hobbyist market. Some people have done ingenious things with …

Raspberry Pi

La profundidad de color en RAW y JPEG, a fondo

A pesar de que lleva más de dos décadas entre nosotros, el formato JPEG sigue gozando de buena salud. El primer estándar de esta especificación de …

Colombia's FARC rebels call indefinite truce

Colombia's FARC rebels have declared an indefinite, unilateral ceasefire to start on December 20, saying they will only use weapons if they came under attack by the army.<p>"We have resolved to declare a unilateral ceasefire and end hostilities for an indefinite period of time, which should be …