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| ingridahl | 
Reusable items are slowly gaining popularity; some common ones include shopping bags and water bottles. But why stop there? There are still so many more items in our lives that could be swapped for their reusable versions.
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| ingridahl | 
 Humans have built and explored big things for many years. First it was the ocean now it's space. The next frontier will be on the nano scale. As technology grows smaller, the number of possible applications increases. A nano-scale steam engine has already been created. Although there are no applications for it yet, it creation was a big breakthrough that will lead the way for further developments.
Humans have built and explored big things for many years. First it was the ocean now it's space. The next frontier will be on the nano scale. As technology grows smaller, the number of possible applications increases. A nano-scale steam engine has already been created. Although there are no applications for it yet, it creation was a big breakthrough that will lead the way for further developments.