Nathan Laliberte:

The sign’s message was clear enough: Please Do Not Touch. For some visitors, however, the temptation was too great.
 Here at the recent Maker Faire, a traveling festival for technology enthusiasts, people ran their fingers over the car’s ribbed exterior. The bolder ones took a more brazen approach, knocking their fists against the surfaces to see how the material would respond.
 One eager young boy, all of about three feet tall, went further, licking a front fender to learn how it tasted. A mortified parent quickly admonished him.