Cutting corners
Article Abstract:
Taisei Corp. has developed a new tunnel boring equipment capable of digging both a vertical access shaft and a horizontal tunnel. The contraption achieves this by rotating 90 degrees once the desired depth is reached and then releasing an inner cutting head which bores horizontally.
Publication Name: Popular Science
Subject: Science and technology
ISSN: 0161-7370
Year: 1995
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Clean and green
Article Abstract:
Issues are presented concerning the development of an environmentally friendly washing machine by Sanyo Electric Co. which uses an ultrasonic wave generator and electrodes rather that detergent to loosen grit and grime on clothing.
Publication Name: Popular Science
Subject: Science and technology
ISSN: 0161-7370
Year: 2001
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They jump they spin they run on rubber bands
Article Abstract:
The members of the Toyota Engineering Society presented their annual Idea Olympics by displaying many imaginative and improbable vehicles. Cars that are powered by everything from electric engines to rubber bands are discussed.
Publication Name: Popular Science
Subject: Science and technology
ISSN: 0161-7370
Year: 1992
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