Cars are packed to the gunwales these days with sensors, hand-holding driver-assist systems, and various arcane doodads that serve to isolate the driver from the actual physical act of driving.

One sad day, the wiper motor went out ... we were quite grateful for the invention of Rain-X — a water-repelling chemical treatment for car windshields. Boy would we have loved to know how ...

There is a surprising amount of tech behind windshield wipers. Not to mention, potentially, rhythm. Banner image: “Rain Rain Go Away” by Basheer Tome. Thumbnail: “Bank of America cash ...

In his clip, he points out that Rain-X sells wipers for $11.99 and $21.99. His confusion stems from the fact that there appears to be no major differences between the two. They are the same size.