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Posts with tag boston university

Light Bulb Networks Could Be the Next Wi-Fi

by Joshua Topolsky, posted Oct 7th 2008 at 8:51AM

If researchers at Boston University's College of Engineering have their way, light bulbs of the future may be the highway your data gets carried along. A team at the school is working on low-power LEDs which could utilize an optical communication system to carry data wirelessly. Using a technique which rapidly switches the LEDs on and off data transmissions could be made via imperceptible -- yet undoubtedly brain-scrambling -- flickering patterns, and each light would be its own network entry point at speeds of 1 to 10Mbps.

The concept is more secure than current RF techniques because it requires linked devices be in line-of-sight, and the technology would draw far less energy than conventional radios. Says professor Thomas Little, "Imagine if your computer, iPhone, TV, radio and thermostat could all communicate with you when you walked in a room just by flipping the wall light switch and without the usual cluster of wires." Yes... and talk about you behind your back. And plot your "accidental" death after taking out a large life insurance policy on you. You won't get away with this LED network! [From: Cellular News]

[Thanks, Travis]

Promising New Computer Chip Filters Out Cancer Cells

by Joshua Fruhlinger, posted Jun 10th 2008 at 4:22PM

Normally, we get excited when a slab of silicon makes our games run at a smooth 60 frames per-second, but in this case we're impressed with a new chip that filters out cancer cells. The device, created by some impressive souls at Princeton and Boston University, directs and focuses streams of cells in a liquid. Like a change sorter, it then separates regular cells form unusual ones.

The silicon wafer is tacked with tiny pillars that catch abnormal cells that are, in the end, potentially cancerous. The device hasn't been used to any major extent, but we'll keep an eye on this promising discovery. [Source: New Scientist]

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