According to MSNBC, a Slinky toy may help explain how cosmic jets work.

Quoting from Space.com, MSNBC says, "Black holes are complex beasts. Among their mysterious traits are intense jets of matter that sometimes shoot out from the rotational poles at nearly light-speed.

"The problem, of course, is that black holes can't be seen. Even the environments around black holes, being so chaotic and full of energy and bright plasma, thwart close scrutiny. The key to figuring all this out, Meier said, would be to measure black-hole spin rates — something that astronomers don't yet know how to do."

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