a quarter of a millimeter.

I moved three things by a millimeter.

That's about a 50th of a millimeter.

I've had to move that part across, but only a millimeter.

And this region, it's a very small region it's less than one millimeter.

It's one millimeter long, but it looks like Godzilla next to these micromachines.

So there could be another universe just a millimeter away from ours, but we're not aware of it because that millimeter is measured in some fourth spatial dimension, and we're imprisoned in our three.

Now this little critter, it's only about half a millimeter in size, not terribly charismatic.

You just twist leaves, and you see a whole new world of minute insects, or little spiders of one millimeter, one and a half, two millimeters long, and you can distinguish between the good ones and the bad ones.

So here is the Earth. It's a little less than a millimeter that was turned of solid bronze.

One square millimeter of a gecko's footpad has 14,000 hair like structures called setae.

One millimeter of mercury is approximately 1 Torr, or 1 760 of standard atmospheric pressure.

We sort the plastic fragments into different size classes, from five millimeters to one third of a millimeter.

Precipitation patterns vary widely, ranging from several meters of water per year to less than a millimeter.

They start out as small, microscopic nests of cells that can only grow to one half a cubic millimeter in size that's the tip of a ballpoint pen.

The standard way of measuring rainfall or snowfall is the standard rain gauge, which can be found in 100 mm (4 in) plastic and 200 mm (8 in) metal varieties.

This is a predatory mite just as small as a spider mite, by the way, one millimeter, two millimeters long, not more than that, running quickly, hunting, chasing the spider mites.

A millimeter of mercury is a manometric unit of pressure, formerly defined as the extra pressure generated by a column of mercury one millimetre high.

Like its predecessor, this iPod has engraved the signatures of the four members of the band on its back, but this one was the first time the company changed the colour of the metal (not silver but black).

Monitoring the effects of antiretroviral therapy by serial measurements of plasma HIV 1 RNA with this test has been validated for patients with viral loads greater than 25,000 copies per milliliter.

This is what it looks like the people have to tap them twice a day just a millimeter slice and the only thing you harvest is sugar water, carbon dioxide, rain fall and a little bit of sunshine.

This can be done by projecting an image of the disk onto a white piece of paper or card using a pair of binoculars (with one of the lenses covered), a telescope, or another piece of cardboard with a small hole in it (about 1 mm diameter), often called a pinhole camera.

Each mirror, there are four of them, is made of a single piece of glass, a monolithic piece of high tech ceramic, that has been ground down and polished to such accuracy that the only way to understand what that is is to imagine a city like Paris, with all its buildings and the Eiffel Tower, if you grind down Paris to that kind of accuracy, you would be left with bumps that are one millimeter high.