Scientists have developed a programmable "molecular robot" -- a sub-microscopic molecular machine made of synthetic DNA that moves between track locations separated by 6nm. The robot, a short strand ...

This is a preview. Log in through your library . Journal Information The Mathematics Teacher (MT), an official journal of the National Council of Teachers of Mathematics, is devoted to improving ...

Thirty two 5th and 6th grade classes participated in a study intended to investigate effects of programmed instruction in disadvantaged students, and their teachers' attitude towards it. The material ...

Programmed instruction is a new method of teaching which features careful organization of the subject matter and active participation by the student. One of its first and foremost advocates was B. F.

(Nanowerk News) Scientists have developed a programmable "molecular robot" — a sub-microscopic molecular machine made of synthetic DNA that moves between track locations separated by 6nm. The robot, a ...