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How To: Build A NAS Box

Michael Brown — Fri, 26 Sep 2008 11:00:00 -0500

A network-attached storage (NAS) device is the Robin to a LAN’s Batman. The two should be inseparable, and for good reason. A NAS box gives you a guaranteed way to store all of your files and stream your media. Running a NAS box also means that you don’t have to boot your power-leeching desktop rig every time you want to access your files from another device.

But you don’t have to go out and purchase a NAS device. You can build a superior alternative using spare parts left over after upgrading your PC.

Guess what? We'll show you how after the jump.

Everything You Need to Know About Photovoltaic Cells

Michael Brown — Mon, 22 Sep 2008 13:49:11 -0500

In one second, the nuclear fusion process taking place inside the sun produces enough energy to satisfy the needs of the earth’s population for nearly 500,000 years. Photovoltaic cells are capable of capturing some of that energy and converting it into usable electricity; unfortunately, today’s technology can’t do this very efficiently.

French physicist Edmond Becquerel first described the photovoltaic effect in 1839. He discovered that some materials were capable of producing small amounts of electricity when exposed to sunlight. The first photovoltaic cell, however, wasn’t created until 1883, and more than 70 years passed before the next major scientific advance took place, when researchers at Bell Labs developed the first crystalline silicon photovoltaic cell in 1954.

Everything You Need to Know About GDDR Memory

Michael Brown — Tue, 16 Sep 2008 01:11:36 -0500

We invariably refer to the video memory in modern videocards as GDDR, differentiating it only by version (GDDR2, GDDR3, GDDR4, and now GDDR5), but the technology’s full acronym is actually GDDR SDRAM, which stands for Graphics Double Data Rate Synchronous Dynamic Random Access Memory.

“Double data rate” describes the memory’s capacity for double-pumping data: Transfers occur on both the rising and falling edges of the clock signal. This endows memory clocked at 800MHz with an effective data-transfer rate of 1.6GHz. “Synchronous” refers to the memory’s ability to operate in time with the computer’s system bus. This allows the memory to accept a new instruction without having to wait for a previous instruction to be processed, a practice known as instruction pipelining.

Think you know everything about GDDR? Read on.

In the Lab: Michael Brown Re-examines 802.11n Draft 2.0 Routers

Michael Brown — Thu, 10 Jan 2008 20:02:39 -0600

Real-world testing yields surprising results.

Intermatic Home Settings Lighting Control Starter Kit

Michael Brown — Mon, 17 Sep 2007 15:13:18 -0500

If you’re considering automating your home, lighting is the best place to start. But if you’re afraid that handling bare electrical wires will leave you with an Einsteinian hairdo, pick up Intermatic’s Home Settings Starter Kit.

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XFX 8800 Ultra XXX Edition

Michael Brown — Mon, 10 Sep 2007 17:09:03 -0500

ATI and Nvidia have long entertained us with their game of GPU one-upmanship. Each time ATI thought it had a part that could beat Nvidia, Nvidia moved the goalposts. But now that ATI has been reduced to an AMD brand, it seems its engineers no longer want to play.

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PowerColor Radeon HD 2900 XT

Michael Brown — Mon, 10 Sep 2007 16:45:19 -0500

Having designed the graphics architecture for Microsoft’s Xbox 360, ATI’s management had boasted for months ahead of its acquisition by AMD that its engineers were experts at designing the type of unified shader architecture envisioned by DirectX 10. Imagine our surprise when the R600 not only hit the market several months after Nvidia’s take on unified architecture but that the company’s best offering can’t compete with Nvidia’s top two GPUs.

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Shure SE530PTH Earphones

Michael Brown — Tue, 31 Jul 2007 19:10:48 -0500

For the price of one set of Shure’s SE530PTH earphones, you could buy two 30GB iPods, 17 sets of Apple earbuds, or 500 encrypted songs from iTunes. A worthy investment or Marie Antoinette–style consumption? With that question in mind, we couldn’t resist auditioning these pricey phones to the sound of Cake’s Fashion Nugget, ripped and FLAC-encoded, on Cowon’s D2 digital media player. We don’t know if Shure’s BOM (bill of materials) justifies a $500 price tag, but we did have awfully big smiles on our faces after using these earphones.

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