Resin versus acrylic free standing tub. I have found 2 similar tubs 71-72 inches - resin by Signature Hardware (Winifred) or acrylic Hydrosystems (Picasso). They are close to same price but the Signature Hardware brand is made of resin, not acrylic. Does anyone know which material is superior and why?
Hot or Cold Dark Matter and Cosmology. Hot and cold dark matter are the two key elements in modern cosmologyâs quest to understand how our universe formed as we see it today. Much effort is being expended to determine whether 23% of the universe, which is attributed to dark matter, is either hot or cold.
Best Answer: Many microwave telescopes are used to study dark energy/matter. You cannot see dark matter and that is what makes it interesting. Microwave telescopes survey thousands of clusters of galaxies to find this dark matter. Recent observations show that the universe is made up of 74% dark energy, 22% dark matter, and 4% ordinary matter.