The World’s Most Powerful Computer Network Is Being Wasted on Bitcoin article tells that Bitcoin mining machines are insane powerhouses, and they’re only getting crazier. How much power is getting sunk into the digital cryptocurrency? More than the world’s top 500 supercomputers combined. The whole Bitcoin network hit a record-breaking high of 1 exaFLOPS this →
My new smart phone has NFC capabilities so there is time to try them. What is NFC and how do I program NFC tags? Wikipedia defines NFC: Near field communication (NFC) is a set of standards for smartphones and similar devices to establish radio communication with each other by touching them together or bringing them →
This animated Donkey Kong wedding cake just won best nerd cake forever page claims that it is going to be impossible to beat the glorious nerdness level in this wedding cake, which uses projectors to animate Mario on his quest to beat Donkey Kong and rescue Pauline. This is what happens when a bunch of →
European Robotics Week 2013 is celebrated from 25 November to 1 December 2013. The Week aims at inspiring technology education in students of all ages to pursue careers in STEM-related fields, i.e. science, technology, engineering and math. At the same time Finnish robot week “Robottiviikko” is celebrated in Finland. I happened to walk by Robots →
When I need to view and sometimes edit binary files I typically use XVI32 software for it. XVI32 is a freeware hex editor running under Windows. It has data inspector to view decoded numbers and has a built-in script interpreter. XVI32 is a portable application, i.e. no setup program is needed, you can run XVI32 →
How low can Ethernet switches prices go? In small unmanaged 8 port 10/100M 5 or 8 port switches typical price is around 15-25 Euros (around 2-3 Euros per port). But there are even cheaper Ethernet switches. Netwjork Tenda S108 SOHO kytkin/switch jossa 8 porttia is a very cheap 8 port 10/100M switch that costs only →
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A video wall consists of multiple computer monitors, video projectors, or television sets tiled together contiguously or overlapped in order to form one large screen. Typical display technologies include LCD panels, LED arrays, DLP tiles, and rear projection screens. Simple video walls can be driven from multi-monitor video cards, however more complex arrangements may require →
I just found out some interesting reverse-engineering hack related to Helsinki bus stop displays. Tapping Data From Radio-Controlled Bus Stop Displays tells that a couple of weeks ago hacker Oona Räisänen told about finding a 16 kbps data stream on FM broadcast frequencies, and her suspicion was that it’s being used by the public transit →
The Wolfram Language and Mathematica on Raspberry Pi, for free article tells that The Raspberry Pi Foundation has announced a partnership with Wolfram Research to bundle a free copy of Mathematica and the Wolfram Language into future Raspbian images. Future Raspbian images will ship with the Wolfram Language and Mathematica by default; existing users can →