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08
MayWorld Migratory Bird Day
The Second Weekends of May and October are events observed twice each year as World Migratory Bird Day to focus world attention on the need to protect migratory bird populations, their habitats, and their international flyways. Through exchanges of … Continue reading →
22
AprEarth Day
April 22, Earth Day, is celebrated around the world as tens of millions of people make time to attend their environment. Thousands of governments – from local to regional to state, provincial or federal – plan awareness campaigns and activities … Continue reading →
Tag Archives: hertz unit
Catching the Wave
On February 22, 1857, German physicist Heinrich Rudolf Hertz was born. He was a student and protégé of the great Hermann von Helmholtz. Hertz began his career as a university lecturer and quickly established himself as an accomplished speaker. In … Continue reading
Posted in On This Day
Tagged February 22, Heinrich Rudolf Hertz, hertz unit, On This Day, radio waves, The Roberta Bondar Foundation, wave theory
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