Theo Nicolakis / IDG Periodic Audio’s Nickel amplifier is about the size of a 9-volt battery, shown here with an iPhone XS and Beyerdynamic Amiron Home headphones. The Nickel is simple to use ...

New applications often require new materials. Quite often, materials are needed that do not occur naturally or have very ...

The U.S. and China, two of the world’s largest economies, broke new territory in trade negotiations over rare earth elements.

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

That’s why this periodic table clock really caught our eye. [gocivici]’s idea is a simple one: light up three different elements with three different colors for hours, minutes, and seconds ...

The periodic table can be read across from left to the right along the rows horizontally. It can also be read up and down the vertical columns. Rows of elements are called periods. They go across ...

Unit Plan: The Periodic Table This unit plan from the American Association of Chemistry Teachers has everything you need to put together a unit plan for your classroom: lessons, activities, labs, ...

While I don’t expect my elementary students to be able to memorize the periodic table of elements, I find it necessary for me to have an understanding of how these elements work so I can answer ...