Despite its excellent qualities as a structural material, concrete has some weaknesses, too. One is that it has almost no strength against tension. Concrete can withstand a tremendous amount of compressive stress, but when you try to pull it apart, it gives up quickly. Concrete’s other weakness is that it’s brittle. It doesn’t have any …
Month: February 2020
Should Computer Science Be Required for Every Student?
Every college student needs a computer science course. Educators are beginning to recognize this truth, but we are a long way from meeting the need. Should we require all college students to take a computer science course? That is, perhaps, debatable. But, without question, we need to make such courses available to all students. Colleges …