Showing posts with label proof. Show all posts
Showing posts with label proof. Show all posts

Saturday, July 15, 2017

Proof Russia Was Behind the DNC Email Hack

Proof Russia Was Behind the DNC Email Hack



Proof Russia Was Behind the DNC Email Hack
The DNC hack was merely a prelude to what many security researchers see as a still more audacious feat: the hacking of Americas most secretive intelligence agency, the NSA.
via Digg http://ift.tt/2enFIwT

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Wednesday, February 22, 2017

Proof of cold fingers

Proof of cold fingers


I was at the First Lego League competition this weekend with my son. The biomedical school of Virginia Tech had some great research displays out. They had a very impressive high resolution infrared heat camera. This thing was so good it could show down to the eyelash level, which by the way dont conduct any heat.

My son and others were putting their hands and faces in front of it, and it showed a varying ranges of red for heat signatures. A cursor also allowed you to measure the temperature of any spot on the screen. I then put my hand up to the camera.

The operator and several other grad students working the displays all gasped. My fingers shown no red coloring whatsoever. My palm was red, but right about where my callousous are, the color went completely to grey/white and then by the very tip of the fingers, to dark grey. He took a temperature reading at my fingers and it came out at room temperature. No heat generation at all.

It was so freaky, but quantitatively and visually showed something that Ive known for a long time. That I have cold fingers and toes.

The guy was saying that frostbitten fingers show up completely black on this camera. Its because the tissue and blood is actually frozen. People who try to rub their hands against each other to create heat from friction actually do cellular damage to frostbitten fingertips, because they are actually abrading the tissue away. Since its frozen its like chipping ice crystals away. It takes much longer to heal from frostbite.

This picture is nowhere near the resolution of the camera they had. Their camera was able to show the lines on the hand it was so good.

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Sunday, February 5, 2017

Proof That Knitting Makes You Smarter Even If Youre Me

Proof That Knitting Makes You Smarter Even If Youre Me


Hi, kids. Im sitting at OHare airport, waiting for a flight to Oklahoma. Ill be teaching this weekend at the Sealed With a Kiss Knit Out 2011 in Guthrie, in the exalted company of Fiona Ellis and Jane Thornley.

I only just got home from my last trip–a joyful co-production of Bostons Common Cod Fiber Guild and Minds Eye Yarn in Cambridge. The first event was a talk at M.I.T., in a terribly swish lecture hall designed with verve aplenty by Frank Gehry. We arrived to find the place crawling with equations. It looked like Einstein had inhaled too much chalkdust and sneezed violently across all twelve blackboards.

I had a few minutes of downtime before curtain, so I put on my thinking cap and got to work finishing what the class had started. Piece o cake. Add a couple yos, balance with a few k2togs, start and end with asterisks to indicate the repeat and now you have a theory of velocity (or electricity, or gravity, or energy, or something) that also makes a really cute lace capelet.

A Little Talk at MIT

Hearty thanks to Patience for sharing her photograph with me. I hope the nastypants meanie meanie teacher who made me cry over long division in fourth grade in front of the entire class runs across this post and has a stroke.

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