Sean Gerdes

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NASA Celebrated Earth Day By Making A Giant Global Selfie

More than 36,000 people from more than 100 countries responded, and the result is beautiful.<p>It's a 3.2-gigapixel image that uses the selfies as individual pixels. The image is interactive; you can zoom in on each pixel, and see selfie-takers in that region.<p>According to NASA, the mosaic is based on …

New Dimensions: 10 Amazing Things Printed In 3D

<i>Jordan Forrest is a freelance writer. This post was originally published on the Shutterstock blog and has been adapted with permission.</i><p>Using a machine to print an object from scratch may sound like something out of a sci-fi novel, but the concept has actually been around for more than 30 years. As …

Like What You Eat: Facebook Adds Menus to Restaurant Pages

Facebook announced Thursday a new feature that should please restaurant owners and anger the likes of Yelp: menus built right into an eatery's Facebook page.<p>If you own a restaurant and have a page, the option should be available now: Just go to settings, then page info, and "Menus" should be right …

Wireless broadband can reach the moon, and maybe Mars

Aside from air, water and fresh vegetables, what would you need to survive on the moon? One thing that would likely feature high on the list is a …

Yelp reviews can reveal sources of food poisoning, study finds

Yelp is the newest resource for government inspectors trying to track down cases of food poisoning. By sorting through restaurant reviews left on Yelp, New York City's Health Department has been able to identify and investigate disease outbreaks, ultimately finding food-handling violations at …

Overexposed? Camera Phones Could Be Washing Out Our Memories

Los Angeles blogger Rebecca Woolf uses her blog, Girl's Gone Child, as a window into her family's life. Naturally, it includes oodles of pictures of her four children.<p>She says she's probably taken tens of thousands of photos since her oldest child was born. And she remembers the moment when it …

Lost A Pet? Computer Vision App Helps You Find Another One Just Like It

PetMatch matches pictures you give it with a database of nearby adoptable animals.<p>There are so many things computer vision can do. It can help cars recognize bikers and brake before they hit them. It can scan security footage to look for a particular person's face. And now, it can help you find a …