ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Expansion of metal, image 1 of 2. The metal rod at right is seen to fit snugly into the measuring device. The rod is cool here. When it is heated, it expands and will no longer fit the measuring device. To see this, see image A305/108.
Model release not required. Property release not required.