You’re supposed to carry your own stuff in the army, and anyone who has fought for Uncle Sam will tell you that the backpack is by no means light. Well, things might not change in the future, although this time round it will involve a power generating backpack that will harness the power of your natural up and down motion when steps are made to generate power that can then help reduce the amount of batteries required in the battlefield. Makes us wonder just how many batteries are there in a typical backpack, but at least you know you can make phone calls and use other electronic devices while you’re marching without worrying about depleting the batteries of the devices mentioned too much.
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