What can you put in a wood b...
[3273] What can you put in a wood b... - What can you put in a wood box that will make it lighter? - #brainteasers #riddles - Correct Answers: 73 - The first user who solved this task is Snezana Milanovic
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What can you put in a wood b...

What can you put in a wood box that will make it lighter?
Correct answers: 73
The first user who solved this task is Snezana Milanovic.
#brainteasers #riddles
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The Inspired Sermon

The pastor was greeting folks at the door after the service. A woman said, “Father, that was a good sermon.”
The priest replied, “Oh, I have to give the credit to the Holy Spirit.”
“It wasn’t THAT good!” she said.

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Photophone

In 1882, the photophone was demonstrated by Alexander Graham Bell and Charles Sumner Tainter. In their device, a mirrored silver disc was made to vibrate by speech from a speaking tube. Light reflected off the disc was focused by a parabolic dish onto a selenium photocell. The variations in the reflected light were converted into electrical signals carried to headphones.
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