Книга Физика и жизнь. Законы природы: от кухни до космоса - Элен Черски
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Cathode ray tube, University of Oxford Department of Physics, http://www2.physics.ox.ac.uk/accelerate/resources/demonstrations/cathode-ray-tube.
Non-European compasses, Royal Museums Greenwich, http://www.rmg.co.uk/explore/sea-and-ships/facts/ships-and-seafarers/the-magnetic-compass.
Wynne Parry, Earth’s magnetic field shifts, forcing airport runway change, LiveScience, 7 Jan. 2011, http://www.livescience.com/9231-earths-magnetic-field-shifts-forcing-airport-runway-change.html.
Wandering of the geomagnetic poles, National Centers for Environmental Information, National Oceanic and Atmospheric Administration, http://www.ngdc.noaa.gov/geomag/GeomagneticPoles.shtml.
Swarm reveals Earth’s changing magnetism, European Space Agency, 19 June 2014, http://www.esa.int/Our_Activities/Observing_the_Earth/Swarm/Swarm_reveals_Earth_s_changing_magnetism.
David P. Stern, The Great Magnet, the Earth, 20 Nov. 2003, http://www-spof.gsfc.nasa.gov/earthmag/demagint.htm.
Drummond Hoyle Matthews, https://www.e-education.psu.edu/earth520/content/l2_p11.html.
F. J. Vine and D. H. Matthews, Magnetic anomalies over oceanic ridges, Nature, 199, 1963, pp. 947–9.
Kenneth Chang, How plate tectonics became accepted science, New York Times, 15 Jan. 2011.
