#4-40x1/2in Yellow Zinc Standoff, M/M, 1/4in threaded ends $0.50 #4-40 x 1/2" yellow zinc coated (chromate) steel standoff. IR Reflector sensor with leads $1.00 Reflective optical sensor with transistor output. 44mm Piezo Speaker $2.25 For making a LOUD beep, this piezo suits your need. Comes mounted in a plastic case with mounting tabs. Maxell LR44 […]
Wednesday Cool Links: Dragon Fly, Prince...
Solar botics
April 10, 2013
Weeee, its Wednesday again. And that means time to stare at internet more! While in other parts of the world (or so we are told) things are growing, springing and budding, here we are, with overcast greyness and last year's stuff (grass - as a best case scenario) poking from underneath the dirty snow. So not to waste our time on staring at such unsightly things, check out our links:
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Robotic Dragon Fly Festo does it again. If you haven't seen their Bionic creations, this is just the tip of the iceberg! |
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Graphene aerogel is world’s lightest material Freeze dry some single-layer carbon atoms, and you got a graphene aerogel! This experimental substance developed by the Chinese researchers is lighter than air. |
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Prince Rupert’s Drop: The Curious Properties of a Molten Glass Blob Dropped in Cold Water It's a drop! Of molten glass! That will do things that glass is not supposed to do, for example not break when hit with a hammer, or literally shatter in an explosive chain reaction. Check out the video at the end for more scientific explanation. |
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Hacker sends this through the mail to record a video of the process Wanna know what the package sees during its travels through the mail system? Ruben van der Vleuten threw together a clever mix of components including the camera, motion sensor, controller circuit and a battery. |
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Kindle weather and recycling display A e-ink display is hacked to fetch the weather information from internet, and remind of the recycling day. Extra points for the cherry wood hardware! |
This is all for today, and now I wanna go make one of those e-ink displays, so that the internet could tell me what to do next, weather an' all.
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Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.