Tags » Decentralized


One of the opportunitiesĀ developing regions take advantage of is the ability to leap ahead technologically. If it is too expensive to install a network of landline telephones, start with a mobile phone network. 101 more words


Industrial Versus Organic Farming

The monikers ‘industrial’ and ‘organic’ are not mutually exclusive, but their competing advocates can make it seem so. There is a distinction based on size of the farm and the origin of fertilizers and pest and weed controls. 229 more words


Crypto problems you actually need to solve

To follow up on the small Twitter rant that got people to explain GPG and OTR to me for a whole day, I’ll explain the ideas behind this. 826 more words


Multi-Material 3-D Printing

It may seem like a small improvement, but the ability to 3-D print with more than one material greatly expands the utility of 3-D printing. Originally, 3-D printers were dedicated to one material: some for plastic, some for metal, etc. 100 more words


A Letter to Police

Dear Officer,

I know you feel anxious today. Perhaps even wondering why you took the job.

I remember a similar time during the riots of 1967-68; particularly in Detroit. 1,302 more words


Cheap Hydrogen From Water

Electrolysis is one way to create hydrogen. Apply sufficient energy to water, and disassociate it into hydrogen and oxygen. Recombine the hydrogen and oxygen later, and generate energy with only water vapor as pollution. 166 more words


Transparent Rechargeable Batteries

Renewable energy is increasing, but one of the challenges is storing the captured energy. Battery technology is improving, but portable batteries must be transported to some piece of infrastructure (a plug in a wall) to recharge. 84 more words