mapsontheweb:

Contribution of urban areas to the US GDP
by atrubetskoy

Just… holy crap.

mapsontheweb:

Contribution of urban areas to the US GDP

by atrubetskoy

Just… holy crap.

Here is my new X axis design.

Steppers have been obtained, CHEAP. CNC goodness is near !!

Steppers have been obtained, CHEAP. CNC goodness is near !!

I took apart an old dead CDROM drive and grabbed the head placement drive. A little bit of playing and I sussed out the motor pin out and here the arduino is just doing 50 steps back and forth.

Using a scavenger iR sensor pair with a servo

A cool bit of kit I salvaged from and old HP inkjet. Also got a couple of dc motors and a couple of microswitches.

Custom IEM sleeves made from Instamorph. Comfortable and isolating.

Custom IEM sleeves made from Instamorph. Comfortable and isolating.

Custom IEM sleeves made from Instamorph. Comfortable and isolating.

Custom IEM sleeves made from Instamorph. Comfortable and isolating.

Maybe I don’t have a 3d printer yet, but I have Instamorph!!

Maybe I don’t have a 3d printer yet, but I have Instamorph!!

Maybe I don’t have a 3d printer yet, but I have Instamorph!!

Maybe I don’t have a 3d printer yet, but I have Instamorph!!

Rainy, drippy day.

Rainy, drippy day.

You Can't Really Get Smarter by Zapping Your Head With Electricity, Can You?
Interesting article about tDCS. It’s a fairly sterile description - follow some of the links to articles written by journalists who submitted to the treatment. 
Scientists have rediscovered a centuries-old procedure for supercharging your brain. Depending on how its used, it could improve anything from focus to motor control to mathematical or even moral reasoning. Its simple. Its relatively cheap. The known side effects are minimal. And its so easy that you can do it…