1. My Power Point Presentations are now ONLINE!
Instructions (also on the webpage):
1. Use internet Explorer.
2. A fast connection helps, as some of the
art is in very large files.
3. Make sure you activate Active X
--ignore warnings.
4. You can drag boundary on left of slide
to the left to make slide larger.
5. Use toggle controls on the bottom
of the frame.
6. My website may get full at some point, and
I won’t be able to upload new lectures.

2. Special Theory of Relativity-1905 (high speed motion):
Albert Einstein ( )
Special Theory of Relativity-1905 (high speed motion):
Postulates (hypotheses) for all inertial observers:
inertial observer —anyone for whom the pendulum hangs down.
The laws of physics are the same
(when there is no accelerated motion).
2. Speed of light, c, in a vacuum is the same.
Extraordinary Consequences:
1. Objects contract in the direction of motion.
2. Time slows for a clock moving near c.
3. No object can move faster than c.
4. Mass increases as the speed of light is approached.
5. Mass may be converted into energy and vice versa by E = mc2.
Fission, fusion, and antimatter conversion.
(E = energy, m = mass, c = speed of light = 3 x 108 m/s.)

4. First Postulate:
All inertial observers will deduce
the same laws of physics.

5. Second Postulate: The speed of light in a vacuum
is the same for all observers.

6. Extraordinary Consequences:
Near light speed, we see objects contract
in the direction of motion—Lorentz contraction

7. Extraordinary consequences:
2. Time slows for a clock moving near c
--time dilation.

8. Extraordinary consequences:
3. No object can move faster than c.
For objects with mass,
there is a speed limit
in the universe.

9. Extraordinary Consequences:
4. Mass increases as the speed of light is approached.
Particle Accelerator at CERN

10. Extraordinary consequences:
5. Mass may be converted into energy and vice versa by
E = mc2.
Fission, fusion, and antimatter conversion.
(E = energy, m = mass, c = speed of light = 3 x 108 m/s.)