Add spaces: WeyrpublishedDifferentialcalculusin1902.

Answer: Weyr published Differential calculus in 1902.

Add spaces: Fredissuggestingthattheeducationindustrymaysoonfacethesamechallengesthatcurrentlyconfrontthemusicindustryandthenewspaperindustry.

Answer: Fred is suggesting that the education industry may soon face the same challenges that currently confront the music industry and the newspaper industry.

Add spaces: Cleaningthesensor»

Answer:
Cleaning the sensor »