Fist full of pennies weighing you down?
This will certainly make your pockets lighter.
Watch this chemical reaction as the zinc core of the penny dissolves without destroying the copper outer shell.
It's illegal to do in the U.S. on American coins, so use a Canadian coin.
If you think that's ridiculous, hear this: it costs the US government 1.23 cents to make a penny--- 25% more than the value of the coin!
Want to master Microsoft Excel and take your work-from-home job prospects to the next level? Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced instruction on functions, formula, tools, and more.