李之勤
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Android 5.0 Lollipop Tested: Performance and Battery Life
We tested Android 5.0 using the Moto X, Moto G, LG G3 and Galaxy S5 smartphones. Here's how it went...
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DDR4 Memory at 4000 MT/s, Does It Make a Difference?
Normally I don't pay much attention to e-mails that hit my inbox from manufacturers claiming that a...
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An Android User's Perspective: Two Weeks with the iPhone 6s, Part 2
It's now been two weeks since I started using the iPhone 6s as my daily driver, and so far the devic...
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The Homebrew Litecoin Mining Project
It's hard not to be intrigued by Bitcoin, the peer-to-peer digital currency devised by the mysteriou...
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Optogenetics: A Virtual Reality System for Controlling Living Cells
Our brains communicate with electrical and chemical signaling, but scientists have discovered that l...
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The Portable Workstation: Dell XPS 13 + 32 UltraSharp 4K Monitor
The Internet has afforded me the ability to work from home for more than 15 years. What's more, I ca...
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Estimating CPU Performance Using Amdahl's Law
If you are in the market for a new computer, or thinking of upgrading your current system, choosing...
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Using a U2F Key to Secure Your Google, Dropbox, and GitHub Accounts
Last week we discussed the basics of two-factor authentication (2FA) and why it's a good idea to tak...
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Stop Preordering Video Games
It seems like everywhere you look, a new video game is broken. Your time and your money deserve bett...
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Old School PC Gaming: Classic Games that Have Aged Well
There are some excellent games – some old enough to buy their own alcohol – that are as good today a...
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Old School PC Gaming: Classic Games that Have Aged Well
There are some excellent games – some old enough to buy their own alcohol – that are as good today a...
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13 Good Games You Can Play on Laptops and Budget PCs
Sometimes you'll find yourself out of the house, with nothing but a laptop and a whole lot of time....