Do You Know
Questions & Answers on General Knowledge.
Who built the Brooklyn Bridge?
John A. Roebling, a German-born American engineer, constructed the first truly modern suspension bridge in 1855. Its characteristics included towers supporting 150 massive cables and a roadway suspended from main cables. In 1867, Roebling was given the ambitious task of constructing the Brooklyn Bridge. In his design he proposed the revolutionary idea of using steel wire for cables rather than the lessresilient iron. Just as construction began, Roebling died of tetanus when his foot was crushed in an accident, and his son, Washington A. Roebling, took over the bridge’s construction. Fourteen years later, in 1883, the bridge was completed. At that time, it was the longest suspension bridge in the world, spanning the East River and connecting New York’s Manhattan with Brooklyn. The bridge has a central span of 1,595 feet (486 meters), with its masonry towers rising 276 feet (841 meters) above high water. Today, the Brooklyn Bridge is among the best-known of all American civil engineering accomplishments.
Why do I need sleep?
Where is the windiest place on Earth?
Is there an effective shield for the EMF generated from mercury vapor ballasts?
Is it true that parts of Earth are always covered in ice?
What was special about the colony in Australia?
How does reverse osmosis work?
Did other countries benefit from the Industrial Revolution?
How does sliding your feet on carpet give you a static charge?
Why do we put candles on a birthday cake?
I have noticed that the more I stir the milk into my coffee, the hotter it gets, even though the milk is cold. How does it work?
How did Napoleon's reign end?
Which plant is used to make linen?
How do airplanes work? What is the engineering behind how an airplane flies?
Is the Vatican City A country?
What is the difference between the magnetic and electric ballasts used in fluorescent lights?
Why do the eyes of a big cat glow in the night?
How does Styrofoam work?
What is a grandfather clock?
Do volcanoes erupt regularly?
If I don’t have a thermometer handy, can I count cricket chirps to calculate the temperature outside?
Why do we drink a toast on special occasions?
How does a rice cooker know when to turn off?
Where does the charge on the antenna come from?
What is a carbon footprint?
Why can't you pull the water up above a certain point without a pump?
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