That's on a piece of 8 by 12 paper.

You could do it to your own kid. It changes color.

Try rearranging the cards

I'm thinking dipstick.

And there are two bars. One bar indicates that the test is working, and if the second bar shows up, you're pregnant.

A third of the people we passed the sheet, they gave it back to us.

So, it's a solved problem, that particular problem is solved.

The second is, you can put lots and lots of tests in a very small place.

It is printing. You put that on, you warm it a little bit, the wax prints through so it absorbs into the paper, and you end up with the device that you want.

And they took the briquettes back to MIT so that they could test them.

And what you see, at the lower right hand side there, is a sample in which a single sample of blood has been put on the top, and it has gone through and distributed itself into these 16 holes on the bottom, in a piece of paper basically it looks like a chip, two pieces of paper thick.

So the first question, and you might want to write this down, either on a bit of paper, physically, or a virtual piece of paper in your head. And, for viewers at home, you can try this as well.

There are an awful lot of colors and things like that.

So, you take the drop of blood, no further manipulations, you put it on a little device, the device filters out the blood cells, lets the serum go through, and you get a series of colors down in the bottom there.

There are also dipsticks, but if you look at the dipsticks, they're for another kind of urine analysis.

When newspaper Svenska Dagbladet investigated the 581 results released however it found that in 243 of the cases the person had openly stated that they turn 18 this year.

Like paper, paper and cardboard.

The natural world is always much more complex than formulations in the lab or blueprints in the design office.

So now, we can use this counting to try and get at much bigger things than DNA origami could otherwise.

And I must say, before I go on, I should ask every one of you to try and get out pen and paper because I'm actually going to ask you to help me to look at how we do that.

We have made these kinds of devices using napkins and toilet paper and wraps, and all kinds of stuff.

So, it works very well there, but it doesn't work very well when you need more quantitative information.

They'll make, we estimate that if you were to run them 24 hours a day they'd make about 10 million tests a year.

And we can measure this very precisely, actually, because we give people electronic pagers that go off 10 times a day, and whenever they go off you say what you're doing, how you feel, where you are, what you're thinking about.

I get these two pieces of paper, not like this, A4 format, so it's much bigger.

You all have a piece of cardboard and a piece of paper.

For three days, almost all the newspapers of Beirut published all those cartoonists together anti government, pro government, Christian, Muslim, of course, English speaking, well, you name it.

So what he had to do was take a piece of paper, roll it into the carriage, type his email or command and pull the paper out.

Or when you go to the supermarket and you're standing there in that huge aisle of different types of toilet papers, you don't take out your cell phone, and open a browser, and go to a website to try to decide which of these different toilet papers is the most ecologically responsible purchase to make.

Imagine if the private sector advertised in the same way if Nike wanted to sell a pair of shoes and put an ad in the paper like that.

In that particular test, urine either, containing a hormone called HCG, does or does not flow across a piece of paper.

One reason for using paper is that it's everywhere.

Peru

WallPaper

Paper 2

No, I didn't see them.

Poker

So they're cutting out the little pieces of cardboard here and pasting them up.

He removes the message from the leg of the bird this is what it says.

Card Game

Change Wallpaper Once

Card game

Eliminator

Spider

Card games