But it wasn't until the 17th century that attempts were made to harness the power exhibited by Heron's aeolipile for practical purposes. In the first century A.D., Hero of Alexandria invented the aeolipile, or primitive steam turbine. Credit: Public domain.
Borax is a good natural choice for cleaning mold. It is toxic if you swallow it, but otherwise, it does not emit dangerous fumes or chemicals when you use it. What makes it great to use on mold is that it disinfects the surfaces it cleans. You mix borax with water in a one cup to one gallon ratio.
How to Apply Borax to Kill Fleas in Yards. Overview. Fleas in a yard or field may bother cats and dogs and especially larger animals, such as horses. Borax is an inexpensive, easy way to kill outdoor fleas. Mixed with diatomaceous earth and salt, borax kills fleas by dehydrating them. Check the weather.