Department of Energy Argonne National Laboratory Office of Science NEWTON's Homepage NEWTON's Homepage
NEWTON, Ask A Scientist!
NEWTON Home Page NEWTON Teachers Visit Our Archives Ask A Question How To Ask A Question Question of the Week Our Expert Scientists Volunteer at NEWTON! Frequently Asked Questions Referencing NEWTON About NEWTON About Ask A Scientist Education At Argonne Laser Power
Name: Stephen
Status: student
Age: 10
Location: N/A
Country: N/A
Date: 1999 


Question:
Is there a lazer powerfull enough to hit against an object, bounce back, and move the object?


Replies:
Not directly, unless the object is very very light, because light carries very little momentum. However, a powerful laser heating an object can vaporize the surface rapidly enough that the expanding vapor creates sufficient pressure to push the object. This is the way laser-driven fusion works.

Tim Mooney



Click here to return to the Physics Archives

NEWTON is an electronic community for Science, Math, and Computer Science K-12 Educators, sponsored and operated by Argonne National Laboratory's Educational Programs, Andrew Skipor, Ph.D., Head of Educational Programs.

For assistance with NEWTON contact a System Operator (help@newton.dep.anl.gov), or at Argonne's Educational Programs

NEWTON AND ASK A SCIENTIST
Educational Programs
Building 360
9700 S. Cass Ave.
Argonne, Illinois
60439-4845, USA
Update: June 2012
Weclome To Newton

Argonne National Laboratory