Here it is, the first Ethereum coffee machine. I hooked up a classic 'Technivorm' coffee machine with a full ethereum ropsten (testnet) node running on a raspberry pi. I check for incoming transactions

9 years ago i did some mining on a personal computer. Loved the idea. The bitcoins are somewhere. I do not know. 2 years ago i downloaded the ethereum software and created a raspberry pi powered blockchain

Everyone was talking about blockchain. Talking too much. ICO promises and no products to be seen. Together with an academic hospital i made a device which exchanges blood values between hospital laboratories.

I always thought MacOS was safe. Until now. Do this ASAP. Open system preferences --> Users and groups. Enter login options (have to provide your password) Click Network account server (join). Choose

Bitcoin is going like crazy. I did a small investment and after a month i decided to take the profit and buy me a beer, uh no. I went to the electronics store and bought a DJI spark. (here it is with a

This is a sketch, made trough my 75mm classic telescope of the 'Copernicus' crater. Hope you like it. I sketched it with pastel on a black background.

Hi Everyone. My name is Norbert and i am a geek by profession. Like to experiment with new technologies and always exploring the wonderful world of technology, science and medicine. I am also a foster