Justin Jennings

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Collage: A Two-Month Mashup of the Sun This image was created by adding together 54 observations of the sun's 10-million degree outer atmosphere, called the corona. The observations were made between Aug. 17 and Oct. 4, 2014 by the Hinode satellite, a joint project of NASA and JAXA. Perhaps the most striking feature of this visualization is how the activity is concentrated in horizontal bands above and below the equator. These so-called "activity belts" start closer to the poles and gradually move to low latitudes as the 11-year solar cycle progresses. We're currently in the maximum phase of this cycle, when there are many active regions clustered around 15 degrees above and below the equator. In the coming years, activity will concentrate even closer to the equator, as it peters out and the cycle begins anew. The driver of the activity belts is the solar dynamo, which generates the sun's magnetic field and ultimately produces all of the fun events documented on this site. However, the dynamo is a mysterious beast. The basics of it are very much the same as the electromagnetic you probably made in science class, where a magnetic field is created by sending an electric current through a coiled wire (Ampère's law). For the sun, the electric current is the plasma swirling around its interior. But beyond that, the details get murky and scientists are working hard on sorting them out. Credit: NASA/JAXA/Hinode #sun

The Week In Drones: Walking Dogs, Watching Sea Life, And More

Keeping up with the droneses<p>Here's a roundup of the week's top drone news, designed to capture the military, commercial, non-profit, and recreational applications of unmanned aircraft.<p><b>The Sands Of New Mexico</b><p>Ever wanted to see an alien planet through a drone's eyes? Well, you can't do that yet …

Drones

See Saturn Shine Near the Moon Tuesday: Where to Look

On Tuesday evening (May 13), as the moon, just one night from full phase rises in the east-southeast sky it will be accompanied by a very bright …

Alien: Isolation devs bringing characters to life with performance capture

<i>Alien: Isolation</i> developer The Creative Assembly is turning real people into the game's characters using performance capture, and the studio provided a glimpse at the process in a new developer diary today.<p>"This is a credible world with believable characters — characters we want you to care about," …