Physics & Astronomy

1. photons 100%
2. resources 89%
3. heat engines 83%
4. degrees of freedom 80%
5. polarization 75%
6. thermodynamics 50%
7. relieving 44%
8. traveling wave amplifiers 43%
9. broadband 42%
10. photonics 41%
11. performance 39%
12. configurations 32%
13. baths 31%
14. parametric amplifiers 31%
15. compressing 31%
16. frequency modulation 28%
17. Stirling cycle 24%
18. frequency distribution 24%
19. bandwidth 20%
20. atoms 20%
21. microwaves 20%
22. cycles 20%
23. radiation distribution 19%
24. decay rates 19%
25. vacuum 18%
26. expansion 18%
27. exploitation 17%
28. strokes 16%
29. decomposition 15%
30. ambient temperature 14%
31. operators 14%
32. crossovers 13%
33. prototypes 11%
34. engineering 11%
35. stems 10%
36. bells 10%
37. characterization 8%
38. isotherms 7%
39. interference 6%
40. probes 6%
41. interactions 5%
42. deviation 5%