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Globe: map showing locations of observatories and contour lines giving horizontal magnetic intensity in μ T. The geomagnetic field changes on time scales from milliseconds to millions of years. Shorter time scales mostly arise from currents in the ionosphere ( ionospheric dynamo region ) and magnetosphere, and some changes can be traced to ...
Thomas J. Martin (1842–1872) [1] was awarded a patent for improvement to the fire extinguisher in 1872. [2] [3] [4] [5] The invention involved the use of pipes to ...
The magnetosphere of Jupiter is the largest planetary magnetosphere in the Solar System, extending up to 7,000,000 kilometers (4,300,000 mi) on the dayside and almost to the orbit of Saturn on the nightside. [18] Jupiter's magnetosphere is stronger than Earth's by an order of magnitude, and its magnetic moment is approximately 18,000 times ...
Firefighting and recovery efforts continue in the Los Angeles area, where devastating fires have killing at least 28 people, destroyed more than 12,000 structures and prompted evacuation orders ...
This is a list of notable fire lookout towers and stations, including complexes of associated buildings and structures. This includes lookout cabins without towers which are perched high and do not require further elevation to serve for their purpose, and also includes notable lookout trees .
In addition to widening the scope of Cal Fire's mapping project, the 2021 law extended many fire safety regulations — including building codes to make homes more resistant to fires — from the ...
The Eaton Fire ignited Tuesday night near a canyon in the sprawling national forest lands north of downtown Los Angeles and had exploded to 14,117 acres by Friday night and was 3%, according to ...
10 buildings sustained major damage or partially collapsed in the aftermath of the September 11 attacks, and 10 others were destroyed, 2 of which were demolished due to heavy damage. [1] Several other buildings sustained varying levels of damage, including every building in the World Financial Center and most of the buildings on Vesey Street. [2]