There may have been a few times you’ve visited a vending machine and noticed a bag of chips precariously dangling from its shelf. If you just shake the machine just a little bit (maybe a lot), you think, you may be able to nab a free item. But can you actually get free stuff from …
Vending Machines
We’ve all been there. You want a soda, but all you’ve got is some dimes, nickels, and pennies. Logically, every penny should count, right? So, why does the vending machine keep returning your small coins to the refund slot? The answer isn’t as nearly exciting as it sounds. Some vending machines only accept certain coins …