Can you design
a 12-inch wiper that would clean more area
than either of the two types in the challenge?
Look at some cars, trucks, and other vehicles.
How are their windshield wipers
designed? How many different designs can you
Which do you think would clean a windshield
better: one large wiper or two
smaller wipers that overlap?
How do rear-window
from windshield wipers?
Why do some Mercedes use only one
big wiper instead of two?