News tagged with blackboard

Short algorithm, long-range consequences

In the last decade, theoretical computer science has seen remarkable progress on the problem of solving graph Laplacians—the esoteric name for a calculation with hordes of familiar applications in scheduling, image processing, ...

Mar 01, 2013
4.9 / 5 (20) 4 | with audio podcast

Wikipedia improves students' work

A student writing an essay for their teacher may be tempted to plagiarize or leave facts unchecked. A new study shows that if you ask that same student to write something that will be posted on Wikipedia, he or she suddenly ...

May 31, 2011
4.7 / 5 (3) 0

Fractions gain traction with concrete models

If 3 is greater than 2, then ⅓ must be bigger than ½—right? Wrong. As thousands of students head back to school, many will use exactly that kind of thinking when faced with fractions for the first time. ...

Aug 27, 2013
5 / 5 (1) 1