Did you know that volcanoes and geysers are examples of geothermal energy? Geothermal energy is plentiful, but geothermal power is not. Temperatures increase below Earth’s surface at a rate of about 30 °C per km in the first 10 km (roughly 90 °F per mile in the...
Did you know that the Home Insurance Building in Chicago is generally considered the world’s first skyscraper? Completed in 1885, it was the first to use a curtain wall construction on a steel frame!
Did you know that the world’s population is expected to increase by 2 billion persons in the next 30 years, from 7.7 billion currently to 9.7 billion in 2050, according to a new United Nations report launched today!? The World Population Prospects 2019: Highlights,...