Ophthalmology
High-tech sleeping bag could solve vision issues in space
A subtle smile emerged on Dr. James Leidner's face as he envisioned telling people of the unusual contribution he made to mankind's mission to Mars.
Dec 9, 2021
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A subtle smile emerged on Dr. James Leidner's face as he envisioned telling people of the unusual contribution he made to mankind's mission to Mars.
Dec 9, 2021
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111
A sleeping bag attached to a vacuum cleaner might not sound like the stuff giant leaps are made of. But researchers using just that have taken at least a small step toward solving a serious problem for space travelers.
Dec 4, 2020
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A trapped mountaineer survived after enduring 16 frigid hours wedged in a crevasse on Denali (Mount McKinley) in Alaska. His long and difficult rescue in frigid conditions and care in the critical aftermath are examined in ...
Jan 17, 2023
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