For many years, the only known subatomic particles were protons, neutrons and electrons. By the 1960s, however, advancements in particle accelerator technology had shown evidence of hundreds of smaller constituent particles. By studying these particles -- all part of what is known in particle physics theory as the standard model -- physicists can try to explain all of the forces and matter existing in the universe.
These smallest...
Wednesday, 21 August 2013
Monday, 5 August 2013
Astronomy - August 2013 (40th Anniversary Issue)
Look forward to studying the starry night sky? Revel in seeing if you can locate and connect the Big Dipper and the brightest North star? If you're a star gazing enthusiast, you'll love Astronomy. You'll learn more about exploring the universe in your own backyard with the most popular amateur astronomy magazine.
Astronomy - August 2013 (no ADS) 40th Anniversary Issue
English | PDF | 83 pages | 36.6 MB
FEATURES :-
26 COVER...