untethered spacewalk

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Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

Hemp (Cannabis sativa).

9 Mind-Altering Plants

Rural Irish landscape, Sligo, Ireland.

Why Is Ireland Two Countries?

Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

Cruel and Unusual Punishments: 15 Types of Torture

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

What Do Eggs Have to Do with Easter?

New Zealand. Political/Physical map. Includes locator.

Where Is “Old Zealand”?

untethered spacewalk

space exploration

Also known as: untethered free flight

Learn about this topic in these articles:

McCandless

In Bruce McCandless
…first person to conduct an untethered free flight in space.
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