I’ve always liked this Rumsfeld quote.

As we know,
There are known knowns.
There are things we know we know.

We also know
There are known unknowns.
That is to say
We know there are some things
We do not know.

But there are also unknown unknowns,
The ones we don’t know
We don’t know.

Toward a Unified Epistemology of the Natural Sciences | Cosmic Variance

A gripping story of why not to even try drugs.

Unfortunately I think the videos only play from Canada.
CBC.ca The National Project Stay on Side

And here’s another about bicycles that as you see is related.

We went to the mini golf with the two youngest today.

The total walking distance was 0.95 km according to Nokia Sports Tracker on my GPS N82. The yellow line follows the route I took on the tiny course.

View Larger Map

Thinks haven’t changed much have they?

Cool!

From: bookofjoe: Library of Congress Photos on Flickr — ‘Mysteries that seem to be beyond all understanding’

In case anyone lands here, I’ll be on holidays in India from now until 28 December. So I don’t know if there will be any updates. But when I return, whooeeee. And probably video as well.

Brilliant, at least I think so. There is a longer version on the link from where I found it.