![](https://www.popsci.com/wp-content/uploads/2019/03/18/KKV4HSNCXLQ6JGCCXEPWREEDAU.jpg?w=1342)
![](https://www.popsci.com/wp-content/uploads/2019/03/18/KKV4HSNCXLQ6JGCCXEPWREEDAU.jpg?w=1342)
We may earn revenue from the products available on this page and participate in affiliate programs. Learn more ›
This article was originally published in the March 2015 issue of Popular Science, under the title “Obsessed.”
![](https://www.popsci.com/wp-content/uploads/2019/03/18/HXVAM6YXGQ3EBAERSBU6IN76NE.jpg?strip=all&quality=95)
![](https://www.popsci.com/wp-content/uploads/2019/03/18/EOVQO7BTFBTLLLF7EX7S725ZOY.jpg?strip=all&quality=95)
![](https://www.popsci.com/wp-content/uploads/2019/03/18/3LA636MFKZKWYFGFMK53XHMLOE.jpg?strip=all&quality=95)
![](https://www.popsci.com/wp-content/uploads/2019/03/18/57IZND4ZOQFMQG3C5QDIUZ5VXE.jpg?strip=all&quality=95)
![](https://www.popsci.com/wp-content/uploads/2019/03/18/IL3UYWMWBP76WRDJUSMS2IFYXU.jpg?strip=all&quality=95)
![](https://www.popsci.com/wp-content/uploads/2019/03/18/ETOT5E2W5E4M7L572JYZ55XR4A.jpg?strip=all&quality=95)
![](https://www.popsci.com/wp-content/uploads/2019/03/18/BZZNCZQBC22MUSXWUHL6FLDA2M.jpg?strip=all&quality=95)
![](https://www.popsci.com/wp-content/uploads/2019/03/18/2QI3U2WKGMPUOBKF2S7F5U2GGU.jpg?strip=all&quality=95)
![](https://www.popsci.com/wp-content/uploads/2019/03/18/KLAP4PY5DDZC2NOL7BMCLRKQEI.jpg?strip=all&quality=95)
Posted on Mar 3, 2015 8:46 PM EST
We may earn revenue from the products available on this page and participate in affiliate programs. Learn more ›
This article was originally published in the March 2015 issue of Popular Science, under the title “Obsessed.”