57 Results for

math: fractions equivalent

Article

'That's rocket science': See adults try to do fifth-grade math

Grown-ups attempt and fail to remember how to solve math problems from their childhood. Can you find the common denominators?

By September 25, 2014

Article

It's 2014. Why is my battery stuck in the '90s?

The devices we all rely on continue to evolve radically. So why has the battery industry failed? Here's how you can take charge.

By December 2, 2014

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Use your phone's camera to solve equations with PhotoMath

With PhotoMath, you can use your phone to scan an equation and immediately receive the answer.

By October 28, 2014

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10 ways the Internet overanalyzed Apple's invitation

Apple's September 9 invitation is out, and as the yearly tradition follows, some people took to analyzing the invitation. In some cases, folks of the Internet took it too far.

By August 28, 2014

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What my kid learned with a Little Scholar tablet

There are myriad educational apps and devices out there, and Crave's Eric Mack has found many of them disappointing, but he reports that School Zone's Android tablet is a notable exception.

By August 10, 2014

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Bitcoin nabob: Yes, there’s life after Mt. Gox (Q&A)

Bitcoin suffered a PR black eye with Mt. Gox's bankruptcy filing, but Coinbase co-founder Fred Ehrsam says bad news for the few will translate into good news for the many.

By March 25, 2014

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Academia.edu raises funds to build a Facebook for scientists

Startup hopes to overhaul how researchers publish papers, making them freely available to all and substituting social-network success for the traditional peer-review process.

By September 26, 2013

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It's the end of the light bulb as we know it

With new, stricter efficiency standards almost upon us, it's time to think differently about your lights. Here's why you should feel fine.

By September 20, 2013

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Rush to judgment on iPhone 5C and China?

The day-after verdict: Apple blew its China chances by pricing itself into an even smaller niche. Not so fast.

By September 11, 2013

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Sony's new $2,000 digital binoculars get better zoom, EVF

The second-generation DEV-50V design improves zoom range, the electronic viewfinder, ruggedness, and size -- but not price.

By April 24, 2013