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2. Hermetic seal - Wikipedia

   en.wikipedia.org/wiki/Hermetic_seal

   Hermetic seal. A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases). The term originally applied to airtight glass containers, but as technology advanced it applied to a larger category of materials, including rubber and plastics.

3. Starch gelatinization - Wikipedia

   en.wikipedia.org/wiki/Starch_gelatinization

   Starch gelatinization. Starch gelatinization is a process of breaking down of intermolecular bonds of starch molecules in the presence of water and heat, allowing the hydrogen bonding sites (the hydroxyl hydrogen and oxygen) to engage more water. This irreversibly dissolves the starch granule in water. Water acts as a plasticizer.

4. Aerogel - Wikipedia

   en.wikipedia.org/wiki/Aerogel

   Aerogels are a class of synthetic porous ultralight material derived from a gel, in which the liquid component for the gel has been replaced with a gas, without significant collapse of the gel structure. [ 2 ] The result is a solid with extremely low density [ 3 ] and extremely low thermal conductivity.

5. Ballistic gelatin - Wikipedia

   en.wikipedia.org/wiki/Ballistic_gelatin

   Ballistic gelatin is traditionally a solution of gelatin powder in water. Ballistic gelatin closely simulates the density and viscosity of human and animal muscle tissue, and is used as a standardized medium for testing the terminal performance of firearms ammunition. While ballistic gelatin does not model the tensile strength of muscles or the ...

6. The household gadgets you need to make everyday life easier ...

   www.aol.com/lifestyle/the-household-gadgets-you...

   Rebecca Carhart and Katelyn Mullen. May 31, 2024 at 11:10 AM. The household gadgets you need to make everyday life easier — starting at just $6 at Walmart. We've found that some of the best ...

7. Hydrogel - Wikipedia

   en.wikipedia.org/wiki/Hydrogel

   Gelatin, here in sheets for cooking, is a hydrogel. Peptide hydrogel formation shown by the inverted vial method. A hydrogel is a biphasic material, a mixture of porous, permeable solids and at least 10% by weight or volume of interstitial fluid composed completely or mainly by water.