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Everyday Innovations

Have you ever wondered how black lights, or mirrors work? This collection of articles will explain the workings of some of the most common inventions and innovations you come into contact with everyday.

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Who invented the revolving door?

It's one of those age-old dilemmas – who goes through the revolving door first. It probably doesn't matter. Rumor has it that the inventor didn't want to hold a door open for anyone.


How Stethoscopes Work

Stethoscopes started as a way for 19th-century doctors to put some distance between themselves and grubby patients. Learn all about stethoscopes here. See more »

Who invented the sleeper sofa?

Ever wondered who invented the sleeper sofa? Check out the long, illustrious history of the sleep sofa invention. See more »

Who invented the revolving door?

Who invented the revolving door? Find out here and if the rumor is true that the revolving door inventor didn't want to hold a door open for anyone. See more »

How are bendy straws made?

Have you ever wondered how bendy straws or flexible straws were made? Who came up with idea to bend a simple drinking tube? See more »

Who invented the safety pin?

The safety pin holds together straps, serves as a makeshift button or body art and more. So who invented the safety pin, and who do we have to thank? See more »

How Breast Pumps Work

Breast pumps help children get healthy breast milk when schedules or other factors keep mom from being available. Read about breast pumps at HowStuffWorks. See more »

Are patent trolls smothering innovation?

Are patent trolls smothering innovation? Learn about the effects patent trolls can have on innovation at HowStuffWorks. See more »

How Electronic Cigarettes Work

Electronic cigarettes give smokers nicotine without the chemicals associated with burning tobacco. Learn more about e-cigarettes at HowStuffWorks. See more »

How Daylight Saving Time Works

Daylight saving time helps us pack an extra hour of sunshine into our day. Learn about daylight saving time at HowStuffWorks. See more »

Do you know how to make a battery powered light bulb? Find out how to make a battery powered light bulb in this article from HowStuffWorks. See more »