A study of collapsing soap films shows how rings buckle under surface tension. Chris Lee – May 15, 2020 11:05 am | 18 Two rings buckling under the pressure of a soap film.

A black smoke ring that was caught on video floating over northern Kazakhstan certainly looks eerie, but it's far less mysterious than it looks. IE 11 is not supported.

On top of this particular deal on the ring itself, RingConn is also promoting a limited Black Friday bundle with a free ring protector and charging dock for $314.90 (was $338.90).

This holiday season, you can add wellness to your wish list. Oura Ring’s Black Friday sale launched on Friday, Nov. 17 and is running through Nov. 27 (Cyber Monday) with deals up to $100 off ...

A mysterious black ring appeared in the sky above a highway in Williamsburg, Virginia — prompting scores of baffled bystanders to snap photos of the floating phenomena.