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 ...

"When observing water-surface interactions, there are typically three forces at play: contact-line friction, viscous losses, and air resistance. However, there is a fourth force that arises from the ...

Through joint research with the U.S. Geological Survey and the University of Tokyo, NIMS for the first time experimentally ascertained friction ...