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2. Save 33% off This Versatile DeWalt 9-Tool Combo Kit at Lowe’s

   www.aol.com/lifestyle/save-33-off-versatile...

   You get a drill-driver, impact driver, recip saw, and more for $300 below the regular price.

3. DeWalt - Wikipedia

   en.wikipedia.org/wiki/DeWalt

   DeWalt Ford Fusion in 2008, driven by Matt Kenseth. DeWalt Tools sponsored NASCAR driver Matt Kenseth from 1999 through to the season of 2009. In this time period, Kenseth won 18 races, the 2000 Sprint Cup Rookie of the Year Award, 2003 Winston Cup Series Championship, 2004 NEXTEL Cup All Star Race and the 2009 Daytona 500.

4. Free electron model - Wikipedia

   en.wikipedia.org/wiki/Free_electron_model

   In solid-state physics, the free electron model is a quantum mechanical model for the behaviour of charge carriers in a metallic solid. It was developed in 1927, [ 1 ] principally by Arnold Sommerfeld , who combined the classical Drude model with quantum mechanical Fermi–Dirac statistics and hence it is also known as the Drude–Sommerfeld ...

5. Gilbert U-238 Atomic Energy Laboratory - Wikipedia

   en.wikipedia.org/wiki/Gilbert_U-238_Atomic...

   Gilbert cloud chamber, assembled An alternative view of kit contents. The lab contained a cloud chamber allowing the viewer to watch alpha particles traveling at 12,000 miles per second (19,000,000 m/s), a spinthariscope showing the results of radioactive disintegration on a fluorescent screen, and an electroscope measuring the radioactivity of different substances in the set.

6. Davy Crockett (nuclear device) - Wikipedia

   en.wikipedia.org/wiki/Davy_Crockett_(nuclear_device)

   Projectile, Atomic, Supercaliber 279mm XM388 for the Davy Crockett contained a W54 Mod 2 nuclear warhead. It was a very compact pure fission device weighing 50.9 pounds (23.1 kg) and when packaged in the M388 round weighed 76 pounds (34 kg).

7. History of atomic theory - Wikipedia

   en.wikipedia.org/wiki/History_of_atomic_theory

   The current theoretical model of the atom involves a dense nucleus surrounded by a probabilistic "cloud" of electrons. Atomic theory is the scientific theory that matter is composed of particles called atoms. The definition of the word "atom" has changed over the years in response to scientific discoveries.