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13 | October | 2011 | Certified Ethical Hackers Security Analyst Malware Hacking Information
From the daily archives: Thursday, October 13, 2011

rock_candy_diffused_leds

[Emily Daniels] recently snagged a free iPad in the Instructables “Play with your food challenge” with an interesting way to work with LEDs. Growing up, most kids attempted to make, or at least have seen rock candy be produced. [Emily] thought it would be interesting to mix LEDs with the stuff to see what she could come up with, and her candied LEDs are the result.

The process is pretty straightforward, and involves mixing up a batch of supersaturated sugar syrup in which LEDs are suspended. The LEDs act as a nucleation point for the crystal formation, growing a nice solid coating of sugar after a couple weeks’ time. After some cleaning up, the LEDs can be connected to a coin cell battery or similar, as you would normally do. The sugar acts as a diffusing medium for the LEDs, giving them a nice soft beam pattern.

Obviously you likely wouldn’t want to use these for any long-term electronics project, but it’s a fun activity for the kids, and it could be a good way to incorporate electronics into baked goods.

Article source: http://feedproxy.google.com/~r/hackaday/LgoM/~3/DaGzC9xXIcc/

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Although minivans are a staple of moms and dads that drive their kids to school, soccer practice, and the like, this vehicle imagines a time when maybe they won’t even have to. Autonomous cars have been in development for some time, but the video after the break gives a nice close-up view of how this particular vehicle was built and some of the testing that went into it.

Of particular interest was the external luggage pod modified to hold vehicle electronics. Everything is nicely laid out with wire duct to keep it neat. Those in the manufacturing industry might notice several other off-the-shelf components including an area scanner at 0:24 and extruded aluminum framing at 0:45. The apparent “E-stop” button on the passenger side comes from industry as well and may make the rider feel a bit more safe!

If this wasn’t interesting enough, check out this autonomous car by Google that has already driven from San Francisco to Los Angeles!

Article source: http://feedproxy.google.com/~r/hackaday/LgoM/~3/YZxyPc9buJg/

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