Yuan has transformed his classroom into a hub of creativity, conducting experiments like simulating lunar landscapes and ...

Make a truth teller for light. Turn an old CD into a spectroscope to analyze light—you may be surprised by what you see. Try pointing your CD spectroscope at the fluorescent light in your room, sunlit ...

The art is all from the newly expanded and remastered edition of The Artist’s Guide to Sketching, originally written and ...

Clay is not dirt, although the two are related. Clay is some of our planet's rock supply continuously decomposing. It's found worldwide near earth's ...