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from the archives

Later Than You Think


an everyday occurence, springtime sunset over mount tam

Later Than You Think

Articles from Colin Campbell


pages: | 1 |


Magnet Fragment Collector

author: Colin Campbell : Crawley, Australia
Thursday, October 27th, 2005


 

Magnet Fragment Collector

author: Colin Campbell : Crawley, Australia


image
Deminers spend much of their time locating and exposing scrap metal fragments. Statistics from Afghanistan show that 1000 sqm are cleared for every mine or UXO removed., where the average rate of metal fragments per unit area is one metal fragment per 3 sqm. (The range of metal framgents per area is 30 items per sqm to one fragment per 500 sqm - for approximately 500 minefields in soft ground conditions). [Modelling Minefield Clearance Performance, technical report available on request]. A magnet could remove ferrous/magnetic fragments before demining commences, reducing the time needed for manual demining. In response to a request...


pages: | 1 |


from the archives

So Fresh and So Spring, Spring


So Fresh and So Spring, Spring

from the archives

from the archives

The Bridges of New York City


East River Bridges Manhattan Bridge Williamsburgh Bridge Queensborough Bridge (59th Street Bridge) Roosevelt Island Bridge Bronx Whitestone Bridge Triborough Bridge Throgs Neck Bridge Verrazano-Narrows Bridge Hudson River Bridges George Washington Bridge Tappan Zee Bridge Mid-Hudson Bridge (connects Highland to Poughkeepsie) Harlem River Bridges Wards Island Bridge Triborough Bridge Willis Avenue Bridge Third Avenue Bridge Park Avenue Railroad Bridge Madison...

The Bridges of New York City