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I still need a wand.

And who owned that wand?

George! You gart whad a wand?

I call it the wizard's wand. Subtle.

The wand chooses the wizard, Mr. Potter.

I remember every wand I've ever sold, Mr. Potter.

There's no magic wand that's going to make it disappear.

You're nothing but a coward, hiding behind a magic wand!

I take up my wand and I utter the magic words

But remember the wand, the infra red meter, runs a little hot.

So we could treat everyone's measurement with the wand as variable X1.

Notice that this method will also reveal the bias in the wand measurement.

And so there's a barcode on that product that tells the computer exactly what the product is.

It gave her a great excuse to wear a sparkly dress and carry a wand.

And, likewise, we infected them with parainfluenza 3 that's a paramyxovirus and you see a little barcode here.

How do we assess whether, this instrument the wand is a reliable measure of body temperature?

It so happens that the phoenix whose tail feather resides in your wand, gave another feather.

And on each ballot form there is this encrypted value in the form of this 2D barcode on the right.

So, let's go back to this example of measuring body temperature with the wand, that infra red meter.

So, a very simple example. If you wave the wand over my overhead, you got my body temperature.

So, the different ways that you can measure body temperature, and the wand tends to overestimate body temperature.

It is curious that you should be destined for this wand when its brother gave you that scar.

You get rid of the wand in the same way that the iPhone got rid of the physical buttons.

A material wand makes the building into a sort of Frank Gehry thing that reflects light in all directions.

So I had a bunch of student and assume I got their body temperature by using that infrared wand.

All right, I can see a rhinovirus and here's the blow up of the rhinovirus's little barcode but what about different rhinoviruses?

Just by looking at the mean difference between X1 and X2 we'll see that the wand runs a little hot.

You can see that this barcode is the same family, but it's distinct from parainfluenza 3, which gives you a very bad cold.

You put a little piece of rice in the foot of a penguin that has a barcode, so it tells you who it is.

What we did is, we took tissue culture cells and infected them with adenovirus, and you can see this little yellow barcode next to adenovirus.

She said he had pockmarks on his chest from a bad case of chicken pox... and a barcode tattoo on the back of his neck.

A shooting star, that with the wave of a magic wand, and a flash of light, could let me see your smile again.

There's actually research to support a, a lot of nurses sort of anecdotal evidence that uh, the wand tends to run a little hot.

So, there's oral, there's internal um, but more recently there's something that, uh, people in the medical field and hospitals refer to as the wand.

Paul is the designer of this wand, and maybe its easiest for him to come over here and tell me in person what's going on.

It was really humbling to see for the first time, to really understand that even if I could have taken a magic wand and fixed everything,

Or if it's not so virtuous, you can go into today, go into any store, put your scanner on a palm onto a barcode, which will take you to a website.

And so it is not any one stripe or something that tells me I have a virus of a particular type here it's the barcode that in bulk represents the whole thing.

And the reason for this is this sample distribution was taken by going to, going around to a 100 people, healthy people, and using this new infrared wand ah, thermometer.

And so, that's a hard way to look at things, so I'm just going to encode things as a little barcode, grouped by family, so you can see the results in a very intuitive way.