| | - neutron optics
- branch of physics dealing with the theory and applications of the wave behaviour of neutrons, the electrically neutral subatomic particles that are present in all atomic nuclei except those of ...
- neutron star
- any of a class of extremely dense, compact stars thought to be composed primarily of neutrons. Neutron stars are typically about 20 km (12 miles) in diameter but have a ...
- Neuwied
- city, Rhineland-Palatinate Land (state), western Germany, on the right bank of the Rhine (there bridged to Weissenthurm) near the Wied stream, just northwest of Koblenz. Founded in 1653 by the ...
- Neva River
- river in Leningrad oblast (province), northwestern Russia. The river issues from Lake Ladoga at Shlisselburg and flows 46 miles (74 km) west to the Gulf of Finland in the Baltic ...
- Neva, Battle of the
- (July 15, 1240), military engagement in which the Novgorod army defeated the Swedes on the banks of the Neva River; in honour of this battle the Novgorod commander, Prince Alexander ...
- Nevada
- constituent state of the United States of America. It borders California on the west, Oregon and Idaho on the north, Utah on the east, and Arizona on the southeast. It ...
- Nevada Fall
- waterfall located on the Merced River in Yosemite National Park, east-central California, U.S. It is situated about 5 miles (8 km) above the confluence of the Merced River with Tenaya ...
- Nevada, Emma
- American opera singer, one of the finest coloratura sopranos of the late 19th and early 20th centuries.
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