The National Institute of Standards and Technology (NIST), Gaithersburg, Mass., conducted an extensive three-year scientific and technical investigation of the Sept. 11, 2001, collapse of the 47-story World Trade Center building 7 (WTC 7) in NYC. This video describes the results of this study, which concluded that fires on multiple floors in WTC 7—which were […]
Smelting aluminum
Alcoa is the world’s largest producer of primary aluminum. Learn how aluminum is produced through an electrolytic reduction process known as smelting.
Graphite Electrodes
Ultrahigh-Performance Electrodes – A New Dimension in Productivity
Color changing milk experiment
It’s an explosion of color! Some very unusual things happen when you mix a little milk, food coloring, and a drop of liquid soap. Use the experiment to amaze your friends and uncover the scientific secrets of soap.
How metal plating is done
A great video by How its Made, features metal plating the various steps on the process.