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Wireless devices go battery-free with new communication technique
University of Washington engineers have created a new wireless communication system that allows devices to interact with each other without relying on batteries
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The latest blog posts to take off on Hacker News. 122 posts.
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How phone batteries measure the weather
Our reports examine national and regional trends in mobile and broadband network experience, and develop in-depth insights into trends impacting consumer network experience.
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Hacking Transcend WiFi SD Cards
UPDATE : This post has been featured in the Hacker News front page! Thanks! I have also updated this post with additional information (at t...
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Hard drive hack provides root access, even after reinstall
Apart from this article, I also gave a talk at OHM2013 about this subject. The video of that talk (minus the first few minutes) is now online .
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Hyperloop lets you travel on a resonant acoustic wave?
Elon Musk is a fascinating guy, and his Hyperloop concept equally so. Now that the details have started trickling out, almost in the form...
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Chromecast: Exploiting the Newest Device By Google
On Wednesday, July 24th Google launched the Chromecast. As soon as the source code hit we began our audit. Within a short period of time we had multiple items to look at for when our devices arrived. Then we received our Chromecasts the following day and were able to confirm that one of the bugs existed in the build…
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Hillbilly Tracking of Low Earth Orbit Satellites
An adventure of the Southern Appalachian Space Agency, by Travis Goodspeed <travis at radiantmachines.com>, as presented at Summercon 2013...
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A Tour Inside CloudFlare's Latest Generation Servers
CloudFlare operates at a significant scale, handling more than a trillion requests through our network every month.
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The Raspberry Pi’s Hardware Random Number Generator
Hey! This is a bit old! Things may have changed and I haven’t necessarily fixed them. Most computers can’t create true random numbers. They use a formula which makes a very long stream …
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Tiny, cheap, and dangerous: Inside a fake iPhone charger
Thoughts on the death of Ma Ailun According to reports , a woman in China was tragically electrocuted using her iPhone while it was char...
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5D ‘Superman memory’ crystal could lead to unlimited lifetime data storage
Scientists at the University of Southampton have made a major step forward in the development of digital data storage that is capable of surviving for billions of years.
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Storage for Photographers
There comes a time in every photographer's life when they must ask themselves what to do about all those photo RAWs filling up the tiny-compared-to-spinning-platters SSD on their primary machine.
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Windows Timer Resolution: Megawatts Wasted
The default timer resolution on Windows is 15.6 ms – a timer interrupt 64 times a second. When programs increase the timer frequency they increase power consumption and harm battery life. They also…
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Update on Novena Open Laptop
Back in December, I posted that we’re building an open laptop . The post generated hundreds of comments, and I was surprised there was so much interest.
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How FPGAs work, and why you'll buy one
Today, pretty much everyone has a CPU, a DSP and a GPU, buried somewhere in their PC, phone, car, etc. Most don't know or care that they bought any of these, but they did.
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Google Glass Teardown
Google's latest and hottest gadget needs little introduction. Since its public unveiling in April 2012, the tiny head-mounted Android computer has been collecting controversy and sociological analysis . It is currently available in limited beta to eminent members of the tech community and to a selection of "Glass…
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Build your own Google TV using Raspberry Pi, Node.js and Socket.io
If you’re connecting to your rPi via SSH, you’d have to update your DISPLAY environment variables by issuing
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The $12 Gongkai Phone
Recently, I paid $ 12 at Mingtong Digital Mall for a complete phone, featuring quad-band GSM, Bluetooth, MP3 playback, and an OLED display plus keypad for the UI. Simple, but functional; nothing compared to a smartphone, but useful if you’re going out and worried about getting your primary phone wet or stolen.
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80 FFTs Per Second To Detect Whistles and Switch On Lights
Hey guys As the slightly changed adage goes: a video is worth a thousand words: Interested? Have a look at my tindie page or click below to get more technical details... So, why
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60W equivalent LED bulb uses 9.5W and costs $13
Slot 10k di situs CEGIL29 untuk user pemula mudah daftar beserta testimonials game slot 10rb terlengkap dengan deposit QRIS murah, panduan main, hingga info slot88 gampang menang.
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Connecting an iPad retina LCD to a PC
Update: please read this post This project was born at the Warsaw Hackerspace , it was funded by my friend Spin, who wanted to use the d...
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Linux on an 8-bit micro
Dmitry.GR: A successful experiment in running real Linux on an 8-bit AVR.
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