Give childhood back to children: if we want our offspring to have happy, productive and moral lives, we must allow more time for play, not less – Comment – Voices – The Independent

I think many teachers and parents would agree.

“…a common Chinese term used to refer to the products of their schools is gaofen dineng, which essentially means good at tests but bad at everything else.”

via Give childhood back to children: if we want our offspring to have happy, productive and moral lives, we must allow more time for play, not less – Comment – Voices – The Independent.

Pipes: Everyday Plumbing with Shell Script

A pipe redirects output from one program or file to the input another program or file. This makes scripting Unix commands possible and incredibly powerful. But like anything powerful, it takes time to develop the skill to get there. It is so useful, it is sometimes hard to express to people only used to looking at their files as “folder icons” what you’re doing. All you can really say is, “programming.” Thus, one can learn a very useful skill on a recovered computer without much capability or Internet availability.

Your task: go read up on shell scripting.

cat remove.names \
| while read F ; do
   fgrep -q "$F" keep.names \
   || (fgrep ",$F" remove.txt | head -1) \
   >> take_back.txt ;
done

Then come back and tell me what I’m doing here :-)

begun learning about solar power

i have begun learning about solar power. Solar power is electricity converted from light by solar cells. I want to power a small computer using a solar panel. I need to figure out: Image

  1. how much power the computer needs
  2. how big my batteries need to be
  3. how to charge the batteries using the solar panels
  4. if my battery voltage is different than my computers  voltage, what might i need to add or change to give the right voltage to the computer
  5. how much power can i save compared to when i was not using solar power
  6. would a smaller computer be more energy efficient than a bigger one
  7. how do i measure work per energy unit for each computer

I need batteries because solar energy comes from the sun and if, say a cloud passed there would suddenly be less power , the when the cloud went away, there would be more power. Really only appliances made to withstand these rapid power swerves can withstand them for long, however, if you just charge the batteries with the solar power then you can discharge continuous power from the batteries for the computer.

Forget Foreign Languages and Music. Teach Our Kids to Code | Wired Opinion | Wired.com

Young minds understand coding and logical deduction easily.

The fact that young children can manage such elaborate tasks should be no great surprise, given what we know about their knack for acquiring languages. Five-year-olds trump their elders at learning Spanish or Mandarin because young brains are better (so the theory goes) at formulating “procedural” memories—that is, memories that become so deeply embedded in a person’s psyche that recalling them is a natural reflex rather than a conscious task.

Forget Foreign Languages and Music. Teach Our Kids to Code | Wired Opinion | Wired.com.

However, I don’t like the title of the article. I don’t want to reduce the importance of foreign languages or music. There should be exposure and mentoring in all of these areas for our children.

Bellingham Air Museum

I like the phrase “starter crank.” I loved planes as a boy, but now I’m bitter about the symbolism. Is this an attempt to poke at jingoism? I love the tone of the shiny metal, truly.

Image

HIgher res available.

Pacific Northwest Eclipse Times, Dec 10

My sister passes along the OMSI planetarium manager’s  useful local timeline:

“For the Pacific Northwest viewers, the penumbral eclipse begins at 3:33 a.m. PST and the umbral shadow takes a small, dark bite out of the left edge of the moon starts at 4:45 a.m. PST. For 66 minutes of the partial phase, the darkness engulfs more of the moon’s disk as it slides into the shadow. The partial eclipse ends and totality begins at 6:06 a.m. PST and the point of the greatest eclipse occurs at 6:31 a.m. PST. The eclipse’s total phase will lasts for 51 minutes. The moon will be only 6.5 degrees above the north western horizon at the instant of the greatest eclipse.”

So setup your camera tonight!