Part 3 demonstrates installing a frame brace and spraying POR‑15 with an HVLP gun. Learn proper surface prep, even coating ...

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

It doesn’t look like much, just a thin strip of muscle suspended between two fine wires. Yet this cylindrical shaped piece of cardiac tissue, no bigger than a grain of rice, is a powerful new tool for ...