Ronald W. Gurney

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illustration of the walking titanosaurus, Patagotitan mayorum

Titanosaurs: 8 of the World's Biggest Dinosaurs

New Zealand. Political/Physical map. Includes locator.

Where Is “Old Zealand”?

Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.

Will Light-Speed Space Travel Ever Be Possible?

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Two chicks near an egg with a white background (poultry, chick, chickens, birds).

What Do Eggs Have to Do with Easter?

Ronald W. Gurney

American physicist

Learn about this topic in these articles:

alpha decay

In quantum mechanics: Tunneling
…by George Gamow and by Ronald W. Gurney and Edward Condon in 1928, the alpha particle is confined before the decay by a potential of the shape shown in Figure 1. For a given nuclear species, it is possible to measure the energy E of the emitted alpha particle and…
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