Physics, Archimedes’ Principle, helium balloons, and air as a liquid – Dr. Paul Heckert answers a reader question in this new Ask the Expert article.
Archives for March 2017
This week in Seismic News, there were earthquakes in Papua New Guinea, southern Turkey and Alaska.
Denver was hot, California was rainy. Is there a weather pattern here?
This week’s featured earthquakes are all associated with the Pacific rim — in the west of the ocean, between Fiji and Tonga, off Vancouver Island, and in Washington State.
Archaeology uses chemistry methods to examine, restore, and preserve ancient artifacts, such as the Dead Sea Scrolls. How can Chemists turn back time?