Month: September 2014

I currently have solar panels on about 35% of the roof area of my house, and I have reduced my electricity cost to near (but not quite) zero.  With 80% roof coverage, then, I could provide a surplus equal to what I am using.

According to the chart, Total Electrical Generation is 38.1 quads (with 25.7 going to “rejected”, 67% waste — what’s up with that??).  

What’s interesting here is that the electrical infrastructure, unlike other energy infrastructure, is intrinsically bi-directional — if the consumers were turned into producers, they can send power back out over the same wires that they are currently using to receive power.  

This means that if residential and commercial customers turned into producers (eg, residential and commercial solar that on net produced as much surplus energy as they had been using), they could completely supply the current industrial use of electricity, even accounting for a 2/3 energy loss (to “rejected”).  

So, from a pure capacity and distribution infrastructure point of view, all current electric power generation facilities could be replaced by distributed local generation and storage, using the current grid.

 

 

Originally shared by Mark Traphagen

The FREE Complete User Guide to Ello

I’ve published what I believe to be the first Complete User Guide to Ello. Read it on the web for free at http://stonet.co/ElloUserGuide

The guide covers every aspect of Ello, including:

➢ Creating an account and profile

➢ The Ello home page

➢ Following users

➢ Finding users

➢ Posting and commenting

➢ Ello best practices: How to become a super user

➢ Extras: Text formatting, Emojis, and Ello services

Feel free to share a link to this guide anywhere and everywhere. I’d only ask that you not reproduce it anywhere without permission. I’ll have a downloadable PDF version available soon.

Here’s an easy to share link to the guide: http://stonet.co/ElloUserGuide

Let me know if you see any errors or anything I left out that you’d like covered!

 

People Are the Problem and They Pretty Much Always Will Be

 

Originally shared by Adil Berkay Temiz

 

Originally shared by Godless

All praise Eric.

 

Originally shared by Kevin Clift

Retirement Quantum Theory

At the age of 93 himself, and about five years before his death in 2005, the Nobel prize-winning Physicist Hans Bethe presented three lectures on Quantum Theory to the residents of the Kendal of Ithaca retirement home near his own Cornell University. In these lectures he deliberately chose to minimize the Maths and focus instead on the human and historical perspectives of the development of Quantum Theory, including anecdotes recalling Bohr, Born, de Broglie, Dirac, Heisenberg and Schrödinger.

The lectures with accompanying slides and an introduction and appreciation have been provided online by Cornell. Click on the pictures to read a brief summary of each video or stream it directly.

Formalized during a burst of intellectual activity during the 1920s, quantum theory had immediate success explaining experimental results in atomic and nuclear physics. However, physicists were aware that much work remained to clarify the conceptual foundations of the theory.

Videos Here: http://bethe.cornell.edu/index.html

Obituary: https://www.theguardian.com/news/2005/mar/08/guardianobituaries.nuclear

Image:  https://en.wikipedia.org/wiki/File:Hans_Bethe_ID_badge.png

Originally shared by Trey Ratcliff

Here’s a free 40 minute video that shows a little bit about how I do whatever I do!  Hehe…. the full version is avail at   http://www.stuckincustoms.com/complete-hdr-tutorial/

https://www.youtube.com/watch?v=oExv7bBe8mI

 

Originally shared by Yonatan Zunger

For those of you who somehow didn’t find 2048 distracting enough, here’s an infinite version where you build up notes along the circle of fifths. It plays the notes as you match them, which is strangely soothing and hypnotic, even when it’s somewhat discordant. The infinity is handled by simply trying to get as many cycles around the circle as you can.

A warning: new tiles are only generated from within the five notes prior to the highest note you have on the board. This means that when you open up a new note, any notes you have from the “oldest” note you still have on the board can easily be stranded: no new tiles will show up which match them. This definitely adds some challenge.

h/t Brooks Moses.

http://calebhugo.com/musical-games-interact-with-sound/2048-circle-of-fifths

 

Originally shared by Nick de Vera

Kinesin motor protein pulling vesicle along cytoskeletal filament. Source: http://www.artofthecell.com/blog

 

Originally shared by The Linux Foundation

How to set up and control a robotic arm from the BeagleBone Black – http://www.linux.com/learn/tutorials/787504-robotic-arm-control-from-the-beaglebone-black