Can You Tell the Difference Between 720p, 1080p, and 4K? This Chart Can Tell You

When I rip my Blu-Ray discs for my home theater PC , I’m always debating whether to rip in 720p or 1080p. Can I really see the difference? Read more…

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Can You Tell the Difference Between 720p, 1080p, and 4K? This Chart Can Tell You

Google (and Friends) Just Invested $1 Billion in SpaceX Internet

Following earlier reports that Google was finalizing a $1 billion investment in Elon Musk’s zany new space internet project, SpaceX has confirmed a new round of funding worth—you guessed it—$1 billion. The new investors include not only Google but also Fidelity, Founders Fund and others. The new investors now own slightly less than 10 percent of SpaceX’s new venture. Read more…

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Google (and Friends) Just Invested $1 Billion in SpaceX Internet

Hackers Can Take Over Your Car With This Simple $26 Device

There’s been a lot of hype and panic about cars being hacked and terrorist teens on laptops in desert bunkers taking over your Toyota, and up to now it’s been mostly all just fodder for your crazy aunt to email you about. Now, however, a first viable general-use car-hacking tool has been developed that’s also cheap. Read more…        

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Hackers Can Take Over Your Car With This Simple $26 Device

How the first iPhone copied everything—and the last one did too

The first iPhone was a true breakthrough that shaped the multitouch-dominated world we live in. It took its clues from everyday objects to create a familiar experience that was instantly understood (and copied.) Years later it got stuck in those successful metaphors but, instead of working in another breakthrough, Apple just copied some bits from the companies who copied the iPhone. This video explains this story in a fair way. Read more…        

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How the first iPhone copied everything—and the last one did too

Largest true-color photo of the sky ever took 60,000 miles of travel

SkyGuide’s creator Nick Risinger had to travel more than 60, 000 miles by airplane and car to collect 37, 000 individual photos to create this single image, the largest true-color image of the entire sky ever made: 100, 000 by 50, 000 pixels. Read more…        

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Largest true-color photo of the sky ever took 60,000 miles of travel

Cold? Here are the best space heaters

Record breaking low temperatures are hitting the country, and the bad news is that they’ll last into next week and are just getting started. If your home’s heating system isn’t up to snuff (or, if non-existent—hello Californians!) we recommend you check out these two space heaters, which we selected after 20 hours of research and testing by a physics PhD. Read more…        

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Cold? Here are the best space heaters

Did you know that the Saturn V’s fuel economy was 7 inches per gallon?

An incredible fact from a fascinating new Buzz Aldrin interview: the Saturn V was only making 7 inches to the gallon at the moment of launch. Of course, the fuel economy improves dramatically when you actually take into consideration the entire distance travelled. Read more…        

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Did you know that the Saturn V’s fuel economy was 7 inches per gallon?