It can also appear to levitate for a period of time after it has been dropped, and make spooky sound well as being a classic toy, the design has appeared in the classroom as a teaching tool, in wartime as a radio antenna, and has even been used by NASA in zero-gravity physics experiments.
.It can be used to show the principles of Hooke's law, to simulate the properties of waves and demonstrate the effects of Science publication has been a leading source of science and technology since its inception in 1872. The Popular Science range of toys, gifts and gadgets are designed to promote learning in STEAM (Science, Technology, Engineering, Art, Mathematics) and incl Blast down the stairs, jumps from your hands, springs from table tops and much is a pre-compressed helical spring, that can perform a number of tricks, most famously travelling down a flight of steps end-over-end as it stretches and re-forms itself with the aid of gravity and its own momentum. Popular Science Giant Springy Super Sized Slinky Spring Toy Popular Science Giant Springy Super Sized Slinky Spring Toy.