Tree of friends

Being a social creature by nature, I have developed my own concept to understanding friends throughout the years.  I call it “Trina’s Tree of Friends,” which is broken down into three different categories of friends.  For the purposes of this piece, I will compare my three types of friends to…

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Impressive Tree Climbing Robot

This DIY build uses pointed feet and moves up the tree something like an inchworm. Two, separated platforms are connected toa retractable spine that alternately grip the tree to move the device upward. The device has an Arduino Uno for a brain and a combination of motors and gears to provide…

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