AgriHouse, in Berthoud, Colo., says it has developed a device that lets plants send text messages alerting growers if their water uptake is too little, too much, or just right. The sensor clips onto a plant’s leaf and uses proprietary algorithms to translate its relative level of turgidity into a reading of its internal moisture content. See http://spectrum.ieee.org/may09/9029 .
Estimate: Human Brain 30 Times Faster than Best Supercomputers
The AI Impacts project estimates computer hardware could match the human brain in four to seven years
Adam Back Says the Bitcoin Fork Is a Coup
An opponent of the BitcoinXT proposal lays out all the bad outcomes for us
Google to Startups: (Mostly) Free Patents Here!
Trolls beware, Google's on to something with its latest IP experiment
Google Bought 28% of the Patents It Liked During Its Patent Purchase Experiment
It paid $250,000 for one but declined a $3.5 billion offer
The Bitcoin Blockchain Explained
And why it’s the future of the web
The Future of the Web Looks a Lot Like Bitcoin
Forget the currency; it’s the protocol behind it that matters. It will mutate and take over everything we do (or could one day do) on the Web. You’ve been warned
Mud-Fueled Smart Sensors for the Bottom of the Ocean
Engineers power a microprocessor-equiped sensor platform using dirt, germs, and a lack of air
Why IoT Needs 5G
Will 5G become the backbone of the Internet of Things?
Goldman Sachs Bets on Bitcoin
Goldman Sachs jumps in on a 50 million dollar funding round for Circle, a Boston-based Bitcoin startup.
All-photonic Quantum Repeaters: a Major Step Towards a Worldwide Quantum Internet
Matter quantum repeaters: The end of a dogma?
Car Camera Network Could Produce Virtual Maps of Pedestrians
The ability to track the same people between different camera views could aid real-time traffic maps
Anonabox Promises Total Online Anonymity That's Easy, Open Source, and Cheap
For $50 on Kickstarter, this router will completely protect your identity online
Escape From the Data Center: The Promise of Peer-to-Peer Cloud Computing
Today, cloud computing takes place in giant server farms owned by the likes of Amazon, Google, or Microsoft—but it doesn’t have to
Vulnerable "Smart" Devices Make an Internet of Insecure Things
The weakest security links in the Internet of Things are often the Things themselves
Samsung + SmartThings: Will the Internet of Things Stay Open?
Smart-home hub maker SmartThings acquired by home appliance giant Samsung
WiFi Backscatter: The Internet of Things Could Talk by Turning Reflective
New research enables chips without power sources to communicate by reflecting signals from Wi-Fi routers
A lot of energy goes toward taming digital demands on our time
Bitcoin Gets Its Own TV Network
Kryptoradio will broadcast the Bitcoin blockchain on digital TV to increase redundancy and enable new applications
Taking Bitcoin for Payment in California is Now Legal
Bitcoin’s fuzzy legal status hadn’t kept it off the streets of Silicon Valley
Quantum Cryptography with Ordinary Equipment
Japanese scientists dream up efficient protocol for securing data with quantum keys