Environmental Chemistry
Periodic Table of Elements: Thallium
A very detailed look at the element Thallium, a member of the Boron Group.
Michigan Technological University
Michigan Technological University: Sir William Crookes
A biography of English experimentalist, William Crookes, who invented the radiometer.
National High Magnetic Field Laboratory
Magnet Academy: William Crookes
English scientist William Crookes was very innovative in his investigations with vacuum tubes and designed a variety of different types to be used in his experimental work. Crookes tubes are glass vacuum chambers that contain a positive...
Other
Fusion Anomoly: William Crookes
A brief biography of Sir William Crookes, the British chemist and physicist who discovered thallium, invented the radiometer, and studied cathode rays. Includes related links.