Keshav Trehan

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How Smartphone Cameras Can Detect an Aggressive Form of Eye Cancer

An ordinary phone camera can catch signs of retinoblastoma, an aggressive cancer that mostly affects children<p>A rare form of cancer that mostly affects children can be detected through a cellphone camera, thanks to a telltale pupil glow.<p>Retinoblastoma is especially aggressive, and if left untreated, …

You can now use an iPad as a monitor for a Windows PC

Duet Display has been transforming old iPads into fast MacBook displays for months now, but it’s turning its attention to the Windows world today. For just $9.99 you can download Duet and use an iPad as a monitor on a Windows PC. There’s no complex setup, and it’s really just plug and play to turn …

Apps

3 Tips for Shooting Great Portraits

We asked a celebrity photographer what he does to get great shots. It's easy, actually.<p>Art Strieber shoots founders and CEOs, mega-stars like Ryan Gosling and Elvis Costello. Oh, and he's also a regular at publications such as <i>Popular Mechanics</i>. His job is to show up, tools in hand, and capture the …

30 Photographers To Follow On Instagram To Boost Your Life

Thanks to Instagram, we can experience far away places, exotic scenes, culturally significant events, mentally stimulating and downright gorgeous …

40 key computer science terms explained in ways your boss can understand

<i>Editor’s note: This post first appeared on Carl Cheo’s website. We’ve republished it here with his permission.</i><p>To make learning more fun and interesting, here’s a list of important computer science theories and concepts explained with analogies and minimally technical terms. It’s like an …

How to Do Long Exposure Photography Without a Tripod

For me, as a travel photographer, the size and the weight of the photography equipment that I carry around is very important. Over the years, I …

Photography