Energy Efficiency

Now stretch it really hard and quickly hold it to your upper lip, which is sensitive to temperature. You will feel that it's warmer than it was before. That's because you're adding energy to the rubber band, which increases its…

Opinions expressed by Entrepreneur contributors are their own. Representing more than 99% of all businesses across the country and employing some 60 million people, the success of small and medium-sized business (SMBs) is…