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1. Here Comes the First Real Alternative to iPhone and Android Jolla, a Finnish startup, launched a new mobile OS called Sailfish, which the company believes will become a legitimate alternative to the Coke and Pepsi of smartphone platforms: Apple s iOS and Google s Android. Learn more about the new OS.

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It's been awhile since the big tech companies launched products in time for the holiday shopping season. So this week, tech news has mostly been filled with cool scientific developments and -- of course -- drones.

We learned about Swiss researchers who created an underwater drone that resembles a sea turtle, and a father who built a DIY drone to track his kid walking from home to the bus each morning.

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This week, we also took a look at new innovations: One groups of scientists created the lightbulb of the future, and another team built the largest-ever model of a functioning brain.

SEE ALSO: Previous editions of Top 10 Tech This Week There was also plenty of mobile news. Read up on a new Finnish mobile OS that aims to be the alternative to iOS and Android, and about a Casio watch that syncs with your iPhone.

For these stories and more, check out this week's Top 10 Tech gallery, above.

This story originally published on Mashable here .