A zeppelin for the 21st century
Article Abstract:
German airship firm Luftschiffsbau Zepellin introduced a new zeppelin in 1998, almost 90 years after the first zeppelin landing. The LZ N07 has a simple triangular internal structure covered by a multilayer laminate. The airships will be used for advertising, tourism and scientific measurement.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1999
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A quarter century of recreational mathematics
Article Abstract:
Mathematical recreation has been featured in Scientific American for more than 25 years and it still captures the fancy of many readers. Amusing mathematical applications are continually developed and some complex problems appear simpler after applying tested mathematical principles.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1998
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Galveston hurricane, Bruno Bettelheim on prejudice
Article Abstract:
The October 1900 Galveston, TX, disaster cost 6,000 lives with a 20-ft. storm surge. Also included are the 1850 description of lunar craters, and a 1950 report on microsurgery.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2000
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