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The so-called "invisibility cloak" has been a hot topic of scientific research for years now — bending light around an object to render it invisible to the naked eye. Imagine a stream rushing around a rock, but with light instead of water, and you get a rough idea of how it would work. At TED2013, Ted Fellow Baile Zhang of Nanyang Technological University has been demoing the newest iteration of this technology.

 One of the tricky things about being on the bleeding edge when it comes to buying a new camera is the lack of RAW support, but Adobe has really been getting ahead of the curve lately, due in large part to their practice of releasing public release candidates of their software. 

Jeff Wysaski is best known online for running the humor site Pleated Jeans, including regularly uploading his own content and videos. For last week's short, Wysaski did something more than just making fun of cats, and released a surprisingly good little video about how to make people smile a little more naturally.

Just a couple of years ago, the title of "world's largest digital picture" went to a 45-gigapixel panorama of Dubai. Now, three years later, that's been beaten by an order of magnitude, as a 320-gigapixel panorama of London has just gone live. Shot by 360 Cities, the image was taken up BT Tower at the end of the 2012 London Olympic Games.