In a case of life imitating art, the European Space Agency is working on an experiment designed to launch a projectile into space and collide with an asteroid in an effort to alter its path away from Earth.
"Concepts are being sought for both ground- and space-based investigations, seeking improved understanding of the physics of very high-speed collisions involving both man-made and natural objects in space," the ESA announced in a statement.
The plan will culminate in a large-scale experiment in 2020, at which time two spacecraft will be launched in the direction of a 2,600-foot asteroid called 65803 Didymos. One spacecraft will intentionally crash into Didymos, attempting to alter its course, while the other records the results.
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For many years there have been debates in K-12 education in the US concerning incentives or rewarding students for grades, attendance, behavior, test scores, etc. I remember at one time that educators frowned on the idea of rewarding students, especially older pupils for showing improvement. The belief was that students should want to improve their grades, attendance etc. for its own self reward. That students would be more interested in the "prizes" than the actual improvement that they...
As all school administrators must know, there is a very real teacher shortage currently in American schools and the projections are that it will only be getting worse. What is causing this shortage? It is estimated that 50% of new teachers will leave the profession in their first five years of teaching. Some of the reasons for this high turnovers are: lack of district and state funding for positions, student enrollment is climbing, the pandemic has caused many teachers to leave their jobs,...
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