47.6 MB (2.7 MB compressed)
4080 x 4080 pixels
34.5 x 34.5 cm ⏐ 13.6 x 13.6 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Slinky spring stepping off a stack of books. This toy is a pre-compressed helical spring with low stiffness in the longitudinal direction. It can be used to demonstrate a wide variety of physical phenomena. The combination of low spring constant and momentum result in tricks' such as the apparent ability to walk' down a flight of stairs. The Slinky was invented by US naval engineer Richard James in 1944.
Model release not required. Property release not required.