Study Suggests Magnetic Fields Can Control Heat And Sound
More than a hundred years ago, physicists discovered that heat is simply the energy stored in the vibrations of atoms. This meant that heat and sound are related. Now, for the first time ever, scientists have experimentally shown that these atomic vibrations have magnetic properties, too. Above: A lopsided tuning fork, made of the semiconductor…
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Joseph Heremans — The Conversation
Barbed Wire’s Dark, Deadly History
In the mid 1800s, not many (non-native) Americans had ever been west of the Mississippi. When Frederick Law Olmstead visited the west in the 1850s, he remarked that the plains looked like a sea of grasses that moved “in swells after a great storm.” Massive herds of buffalo wandered the plains. Cowboys shepherded cattle across…
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Roman Mars - 99% Invisible