enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Phases of ice - Wikipedia

    en.wikipedia.org/wiki/Phases_of_ice

    In later experiments by Bridgman in 1912, it was shown that the difference in volume between ice II and ice III was in the range of 0.0001 m 3 /kg (2.8 cu in/lb). This difference had not been discovered by Tammann due to the small change and was why he had been unable to determine an equilibrium curve between the two. The curve showed that the ...

  3. Crystal system - Wikipedia

    en.wikipedia.org/wiki/Crystal_system

    R = n 1 a 1 + n 2 a 2 + n 3 a 3, where n 1, n 2, and n 3 are integers and a 1, a 2, and a 3 are three non-coplanar vectors, called primitive vectors. These lattices are classified by the space group of the lattice itself, viewed as a collection of points; there are 14 Bravais lattices in three dimensions; each belongs to one lattice system only.

  4. Ice crystal - Wikipedia

    en.wikipedia.org/wiki/Ice_crystal

    Ice crystals create optical phenomena like diamond dust and halos in the sky due to light reflecting off of the crystals in a process called scattering. [1] [2] [15] Cirrus clouds and ice fog are made of ice crystals. [1] [16] Cirrus clouds are often the sign of an approaching warm front, where warm and moist air rises and freezes into ice ...

  5. Close-packing of equal spheres - Wikipedia

    en.wikipedia.org/wiki/Close-packing_of_equal_spheres

    [1] [2] Highest density is known only for 1, 2, 3, 8, and 24 dimensions. [3] Many crystal structures are based on a close-packing of a single kind of atom, or a close-packing of large ions with smaller ions filling the spaces between them. The cubic and hexagonal arrangements are very close to one another in energy, and it may be difficult to ...

  6. Ice pack - Wikipedia

    en.wikipedia.org/wiki/Ice_pack

    An ice pack Shipment of vaccine in insulated box with gel packs An ice pack or gel pack is a portable bag filled with water, refrigerant gel , or liquid, meant to provide cooling. They can be divided into the reusable type, which works as a thermal mass and requires freezing, or the instant type, which cools itself down using chemicals but can ...

  7. 7 top-rated ice packs for coolers, lunch boxes and more

    www.aol.com/news/7-top-rated-ice-packs-180626664...

    Ice packs per set: 4 | Dimensions: 6.5 x 7.5 x 1 inches (small), 10 x 10 x 1 inches (medium), 10 x 14 x 1.5 inches (large) | Style: Bag Cooler Shock Reusable Ice Packs Kona XL Large Cooler Ice Packs

  8. Crystal structure - Wikipedia

    en.wikipedia.org/wiki/Crystal_structure

    By definition, the syntax (hkℓ) denotes a plane that intercepts the three points a 1 /h, a 2 /k, and a 3 /ℓ, or some multiple thereof. That is, the Miller indices are proportional to the inverses of the intercepts of the plane with the unit cell (in the basis of the lattice vectors).

  9. Does the weather forecast call for snow or ice? Here's what ...

    www.aol.com/does-weather-forecast-call-snow...

    Winter storms can bring all sorts of precipitation, from snow and sleet to freezing rain and plain old rain. Here's when each type falls.