Mary carries pepper spray in her purse.

So you've got traditional things like pepper spray, O.C. spray up at the top there, or Tasers over here.

So one of the things I particularly looked at was the use of O.C. spray, oleoresin capsicum spray, pepper spray, by Australian police and seeing when that had been introduced, what had happened and those sorts of issues.

And one study that I found, a particularly interesting one, was actually in Queensland, because they had a trial period for the use of pepper spray before they actually introduced it more broadly.

Pepper spray and tasers are in increasing use by both police and military, and more exotic non lethal weapons such as heat rays are in the works. At TEDxCanberra, ethicist Stephen Coleman explores the unexpected consequences of their introduction and asks some challenging questions.

Or you could spray.

He doesn't need salt and pepper.

Add salt and pepper to taste.

Do you want pepper on it?

Pass me the salt and pepper, please.

Could you please pass me the pepper?

You create a spray of detergent.

You saw the spray going in.

No salt, no pepper, no oil, no spices.

This is not just an exotic, ornamental sweet pepper.

Then the spray dries. It turns into powder.

That's going to spray cells over that area.

You could do the same with a space spray.

You can spray the problem is there are environmental issues.

So I actually spray painted a whole bunch of them brown.

You can spray paint it you can do anything you want.

Now when they introduced O.C. spray in Queensland, they were really explicit.

Attempts to acquire specific spray dryers also failed for the same reason.

This is from Virgin Atlantic upper class, it's the cruet salt and pepper set.

Radar images are often characterized by speckle, which appears as a salt and pepper pattern.

For example, there is French Chinese food, where they serve salt and pepper frog legs.

Here are some of the things they say prevents cancer crusts, red pepper, licorice and coffee.

CCTV has broadcast the targeted poverty alleviation advertisement for Ludian pepper, which strongly promotes the sales.

And when you clean a penguin, you first have to spray it with a degreaser.

But you know what they did? They hooked a metaphor into it and said, I drink Dr. Pepper ...

No evidence was obtained by the United Nations inspectors that Iraq had spray dried agent in bulk.

They're not obeying the directions that we're giving them, so we'll give them a shot of the O.C. spray.

This is a sweet pepper which is not consumable because it is suffering from a viral disease transmitted by those thrip adults.

Well, the surface of the spray coating is actually filled with nanoparticles that form a very rough and craggly surface.

Water based sunblock with a strong penetration is often applied to oily skin. Sunscreen spray is also a good choice.

But anger is like gasoline, and if you spray it around and somebody lights a match, you've got an inferno.

There were people on the research and ethics committee who really didn't want to see John Pepper succeed again, because he's so successful.

And if we spread those minute pirate bugs, the good ones, for example, in a sweet pepper plot, they go to the flowers.

This energy is immediately converted into a spray of subatomic particles, with detectors and computers used to figure out their properties.

The environmental affects may include diurnal temperature cycling, vibration, shock, humidity, solar radiation, precipitation, sand dust, salt spray and electromagnetic radiation.

Forensic sampling and analysis of spray drying equipment present at Al Hakam in 1996 revealed no traces of biological warfare agents.

Ask a deceptive person to tell their story, they're going to pepper it with way too much detail in all kinds of irrelevant places.

The person who's spraying the O.C. spray is wearing a rubber glove to make sure they don't get contaminated and so on.

And I ended up like going down the spices, and finally, it was like, OK, salt and pepper, thinking he's salted and peppered his liver.

John Pepper there was the cardiac surgeon who did the actual work on me, but everyone else there had to contribute one way or another.