Do atoms never touch?

What are atoms made of? Why is everything made of atoms? Why are atoms so small? How many atoms are there in the world? How did scientists find atoms if we can’t see them? How do atoms get their color? We learn about atoms with Dr. Ben Still, author of “Particle Physics Brick by Brick” and “The Secret Life of the Periodic Table.” His new book, “How the Universe Works,” will be released in September. Download our learning guides: PDF | Google Slide | Transcript Further reading: Cosmic History - NASA The Secret Science of Atoms DOE Explains...Nucleosynthesis | Department of Energy