slits

When the double slit experiment is done, if the experimenter initially thinks that light is a particle, for very thin slits the pattern on the screen is puzzling.

Analogy, How Scientifically Powerful is It? 2006

If, as was known, diffraction typically occurs when the distance between slits is of a similar size to the wavelength of light, the proposed size of spacing between the layers of atoms in a crystal lattice would be much smaller than the wavelength of visible light.

The Nobel Prize in Physics 1914 - Speed Read 1914

And the tire also has unique sipes (aka slits) for starting and stopping on snow and ice.

Snow-tire traction testing in Florida with the Goodyear Ultra Grip Ice WRT 2010

And the tire also has unique sipes aka slits for starting and stopping on snow and ice.

Snow-tire traction testing in Florida with the Goodyear Ultra Grip Ice WRT 2010

Now imagine that there are certain "slits" in the walls of the bubble our senses that allow, in some restricted sense, communication between, sort of like the pores in a cell that allow molecules to pass in and out.

Mind Hacks: Philosophy of Mind on Wikipedia 2006

The experiment was first done with light, but it can also be done with particles with suitable "slits".

I would like to know. Angry Professor 2006

Although the room was on the dark side, I couldn’t open my eyes wider than thin slits.

365 tomorrows » 2007 » September : A New Free Flash Fiction SciFi Story Every Day 2007

Loveday was leaning back in her chair now, with eyelids drooped so low that she literally looked out through "slits" instead of eyes.

The Experiences of Loveday Brooke, Lady Detective 1894

The fact that Mary is here is keeping the attention off you — your slits for eyes and your half-completed movements.

There Goes A Light Betsy Herbert 2011

Two small slits behind her ears were hardly visible.

A Fish Story Harris Tobias 2011