Do You Know
Questions & Answers on General Knowledge.
Why do we say a graduating lawyer has “passed the bar”?
To control rowdiness, a wooden bar was built across early courtrooms to separate the judge, lawyers, and other principle players from the riffraff seated in the public area. That bar, first used in the sixteenth century, also underlies the English word barrister, the lawyer who argues the case in court. When someone has “passed the bar” or has been “called to the bar,” it means he or she is now allowed into the closed-off area.
Are shooting stars really stars?
What does it mean to be bilingual?
Will light going in two directions in the same space create destructive interference?
Is the transistor in an audio amplifier used even during silent moments?
How do neon lights work?
Why do we say when someone has a raspy voice that he has a “frog in his throat”?
I understand how computer information travels as bits from source to destination, but how does each bit travel through the wire at a molecular level?
What is hell?
Can one's health be adversely affected by the use of certain wraps, films, or containers, when heating food in the microwave?
What are the two chemical in glow sticks?
How were the various kingdoms governed?
Why is Venus hotter than Mercury?
Why do I sometimes need a time out?
What are sungrazers?
What does a transformer do?
What is the relationship between turbulence, laminar flow, and Reynolds number?
Why does the body need vitamins and minerals?
How long is a furlong?
What is a seaplane?
How can a battery lose energy when it's not being used (like when it sits in a flashlight that's not turned on for months or years)?
What is the surface of Mars like?
When a rubber ball bounces or rebounds, does the weight of the ball determine how many times it bounces?
What is DTMF and how can I measure the pulses on a rotary phone?
How did spilling salt become a symbol of bad luck?
How does the satellite get into space?
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