How Do You Remove a 3M Hook from a Wall without Removing the Paint?

Problem scenario
You affixed some 3M tape to a wall. You want to remove it without damaging the surface it is attached to. What do you do?

Solution
With 3M tape (double sided tape to hold or affix a sensor), remember to pull it straight down parallel to the wall (rather than pulling it away from the wall). If this tape stretches enough,

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How Do You Tell if a Whirlpool Dishwasher Is Still Running?

Problem scenario
Your Whirlpool dishwasher has been quiet for a while, but you are not sure if the cycle is done. How do you tell it if is running or not?

Solution
Do the lights look like this picture?

Or this picture?

The lower picture is how the dishwasher looks when it is off/done. The blue light in the upper-right-hand corner by itself should be off before you want to open it and get the clean dishes.

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Where Does the Dollar Sign “$” Come from?

Problem scenario
You are curious why an “S” with a line through it is the sign of the dollar. Where did the cash sign “$” (or dollar symbol) originate?

Answer
It is not clear, but it appears to have something to do with Spanish coinage with “pesos” meaning “pieces” and an abbreviation would be “ps”. In smaller coins or on containers,

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How Can We Get the U.S. Post Office to Allow for Payments without a Billing Address Related to the Addresses in a Move?

Problem scenario
If you are putting in a mail forward and you have a “Moving To” address and a “Moving From” address, the billing address for your debit or credit card must be one of those two. If it is not, you are out of luck for using the online change of address on usps.com.

What can we do about this?

No Solution
This is unsolved.

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