1. COMM.
LASER
Science EXPO, YSU, Oct. 10, 2014

3. Light travels in a straight line

4. ?
Light travels in a straight line

5. REFRACTION of
LIGHT

6. Light travels in a straight line

7. T. I .R.
Refraction
Light travels in a straight line

8. Fiberoptic
LASER
DIODE
Solar Cell

9. LASER
DIODE
Solar Cell

10. Signal To
Speakers
LASER
DIODE
Solar Cell

11. 2 +

12. Nobel 2014: PHYSICS

13. Nobel 2014: PHYSICS

14. Nobel 2014: PHYSICS
Spoiler Alert !!!!

15. Nobel 2015?: PHYSICS
Nick Holonyak
(first LED and
laser diode)
(red and green)

16. NOT JUST COMM.

17. NOT JUST COMM.

18. NOT JUST COMM.

19. THANKS !!!