Humans have been making fire using friction for thousands of years, with evidence of its use found in archaeological records across different cultures worldwide. Fire by friction is a testament to ...

POINTS. WELL, WHETHER IT’S SWIMMING THE LENGTH OF A POOL IN THE BLINK OF AN EYE OR TURNING MULTIPLE FLIPS FEET OFF THE GROUND, OLYMPIC ATHLETES SEEM TO DEFY THE LAWS OF PHYSICS. SO OUR SYDNEY SHADRIX ...