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Crystals in sentence

76 examples of Crystals in a sentence

But the problem was that the gamma detectors were these huge, bulky tubes, and they were filled with these scintillating crystals, and you just couldn't get them close enough around the breast to find small tumors.
And all these crystals here under the microscope were dead a few minutes ago, and they look alive.
So this is similar to what happens when you take pure sugar crystals in your kitchen, you put them in a pan, and you apply energy.
These are quartz crystals and feldspar, so most sand in the world on the mainland is made of quartz crystal and feldspar.
It's composed entirely of ice crystals cascading from the upper reaches of the troposphere, and as these ice crystals fall, they pass through different layers with different winds and they speed up and slow down, giving the cloud these brush-stroked appearances, these brush-stroke forms known as fall streaks.
This is when a layer is made up of very, very cold water droplets, and in one region they start to freeze, and this freezing sets off a chain reaction which spreads outwards with the ice crystals cascading and falling down below, giving the appearance of jellyfish tendrils down below.
I took a speaker, I placed a thin foil of plastic on top of that speaker, and then I added tiny little crystals on top of that speaker.
And now, if I would play a sound through that speaker, it would cause the crystals to move up and down.
So we had this speaker set up, and we had the camera facing it, and lots of lights pointing at the speaker, and I would set up the speaker, put the tiny little crystals on top of that speaker, and we would do this over and over again, and it was until midday that I realized that I had a completely red face because of the lights pointing at the speaker.
Well, those of you who have ever seen or touched snow, you know that it's really light, because it's just a bunch of tiny ice crystals clumped together, and it's mostly air.
Then, a video driver program transmits this information to the millions of liquid crystals in your screen to make all the different hues you see now.
It has photonic crystals on its surface, according to people who studied it, which are extremely sophisticated crystals.
That strengthens teeth and encourages the growth of enamel crystals that build up a tooth's defenses against acid.
This pattern reveals metallic crystals that can only form out in space where molten metal can cool extremely slowly, a few degrees every million years.
The resulting calcium hydroxide reacts with carbon dioxide in the air, starting a process called autogenous healing, where microscopic calcium carbonate crystals form and gradually fill the gap.
Unfortunately, these crystals can only do so much, healing cracks that are less than 0.3mm wide.
These crystals gradually fill the gaps, and after roughly three weeks, the hard-working microbes can completely repair cracks up to almost 1mm wide.
Clouds are formed when microscopic water droplets or ice crystals coalesce around tiny particles.
It also has a higher concentration of salt, because the ice crystals that form trap water while leaving salt behind.
And if you cut crystals in a certain way, you are able to bend and direct the light onto a certain place.
So I use these crystals to focus the light onto a solar panel, making them more efficient, but using aesthetics.
In this cave, great areas are covered by this reddish material that you see here, and also these enormous crystals of selenite that you can see dangling down.
They contain plastic crystals mixed with diamonds, beer cans and royal silks all in one look.
As the water cools, ions precipitate out as mineral crystals, including quartz crystals from silicon and oxygen, feldspar from potassium, aluminum, silicon, and oxygen, galena from lead and sulfur.
Many of these crystals have signature shapes— take this cascade of pointed quartz, or this pile of galena cubes.
Given the appropriate conditions, crystals will grow into geometric shapes that reflect the arrangement of their atoms.
Depending on environmental conditions, most crystals have the potential to form multiple geometric shapes.
Environmental conditions can also influence whether crystals form at all.
Many crystals don’t form geometric shapes because they grow in extremely close quarters with other crystals.
Rocks like granite are full of crystals, but none have recognizable shapes.
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