Detailed Instructions: You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
Q: Category: 17th CENTURY SCIENCE
Clue: Wow! In 1660 Otto Von Guericke designed a sulfur globe that when rotated & rubbed produced this
A:
static electricity