How do you know if the universe is collapsing or expanding?

Answer A proper Theory of the Universe is the only way to know. Measurements must be interpreted in the context of a Theory, so measurements themselves like the redshift do not in themselves provide a way... Read More »

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Rather than save money, would it be wise to invest money into a constantly expanding portfolio?

Assuming you pick good companies, not necessarily high rated companies. It is not wise to put too much faith in how Wall Street analysts rate companies. They are always too optimisitic. And you ... Read More »

How to Use Expanding Foam?

Use expanding foam to make molds, toys, boat flotation, sound proofing, packaging foam and insulation. Chemically resistant, urethane foam cures or hardens in about three to seven days. When it has... Read More »

How to Demonstrate the Cooling of Expanding Gas?

This article would benefit from step-by-step photos. You can help wikiHow by adding photos to this article. Click here for instructions. Notice added on 2009-02-19.Gas such as air cools as it expan... Read More »

How to Remove Expanding Foam?

Polyurethane expanding foam contains a product made to expand and harden when it contacts air. It works to seal cracks and holes, keep pests out, create water-resistant seals, deaden sound and seal... Read More »