Mechanical mouse has a ball that turns rollers inside. If friction is lost between the ball and the mousing surface, or between the ball and the rollers, the mouse fails to work. In order to assure good contact with the mousing surface, the ball must be fairly heavy. When you change directions with the mouse, you must make the ball change rolling directions--an action that inertia likes to prevent.
An optical mouse makes use of an LED and some optics to detect surface texture and the changes in it as the mouse is moved. There are no moving parts
A molecule is the simplest unit of a compound.
Answer:
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Technology has impacted society and education throughout history by helping save more lives and distroying them. I think the innovation that has had the most profound on education is being able to connect with teachers to better help us understand even we are not in school like what I am doing right now.
print(3+7) will output 10, which is an integer.
print("2+3") will output 2+3, which is a string.
