Aluminum Extrusion

Up close, in-depth look at the aluminum extrusion machining process and how PBC Linear is able to maintain the highest precision for their products.

Why the building (WTC7) fell

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.

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.