Ofthe Cross

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How to Select and Change Colors in Photoshop

Learn how to create selections based on color, and then replace that color in Photoshop. Also, learn to fix your selection using a Layer Mask.

The latest ‘kidtech’ kits: tried and tested

Children should have the opportunity to be creators, not just consumers of technology. I learned how to code when I was a kid and I’ve been doing it ever since. But introducing your kids to what’s possible with robots, electronics and computers can feel daunting, and I’m someone who has studied …

Raspberry Pi

One of gaming's most used engines is now free

<i>Created in Unreal Engine 4</i><p>Game development is expensive. It's not a question of the tools costing too much; game engines like Unity and GameMaker Studio offer free versions, and paid versions aren't far out of reach. That's a recent development, though. When the last generation of game consoles …

DreamWorks accused of 'whitewashing' Ghost in the Shell by casting Scarlett Johansson

More than 15,000 sign petition demanding an Asian actor is cast in the live action remake of the anime classic<p>Campaigners angered at the paucity of roles for east Asian actors in Hollywood have launched a petition calling for Scarlett Johansson to be dismissed from the forthcoming US remake of …

Scarlett Johansson

Zuckerberg’s advice for entrepreneurs: ‘What ends up mattering is the stuff you get right’

Yesterday at a live town hall, Facebook CEO and professional T-shirt model Mark Zuckerberg took questions from around the world, answering a few inquiries about his advice for new entrepreneurs. His response was really quite elegant: “What ends up mattering is the stuff you get right.”<p>Zuckerberg …

Too many kids quit science because they don’t think they’re smart

For most students, science, math, engineering, and technology (STEM) subjects are not intuitive or easy. Learning in general—and STEM in particular—requires repeated trial and error, and a student’s lack of confidence can sometimes stand in her own way. And although teachers and parents may think …

Self-improvement

Hey Kids! Learn to Write Code, It's the Future!

My first attempts at coding were with a tiny Radio Shack computer that hooked up to a cassette player and the TV. I think it took me hours to write …

Robots and humans work in harmony at Nissan's UK plant, creating 113 cars an hour (pictures)

Nissan Leaf

Create Star Wars movies with this Disney iPad app

Not happy with the Star Wars movies? Well, now you can make your own and test your own movie making skills with a new Disney app for iPad that lets …

Meet Niice, a hip site that spouts images for the designer in you

Niice, a search engine for images that can help designers devise original ideas, just got a lot more helpful.<p>It officially launched this week, with monthly subscriptions for premium services, as well as a “moodboard” feature for storing all of your favorite images in one common place that you can …

World's smallest nanomotor can pump drugs into cells at 18,000 RPM

Scientists at the Cockrell School of Engineering in Texas have created a nanomotor less than one micrometer in diameter, smaller even than a cell. Powered by electric fields, it consists of a nanowire, magnet and electrode and can spin at a terrifying-sounding 18,000 RPM for over 15 hours (see …