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What's a beer battery?
science.howstuffworks.com/environmental/energy/beer-battery.htm
A beer battery uses a brewery's waste water to generate electricity. Learn how a beer battery works and about microbial fuel cells.
How Cellulosic Ethanol Works
science.howstuffworks.com/environmental/green-tech/energy-production/cellulosic-ethanol.htm
Cellulosic ethanol could provide us with a new, green source of energy. Learn all about cellulosic ethanol at HowStuffWorks.
Does 'Obamacare' require Americans to be implanted with microchips?
people.howstuffworks.com/obamacare-microchips.htm
Does 'Obamacare' require Americans to be implanted with microchips? Find out if the Affordable Care Act really requires us to have microchip implants.
How Limousines Work
auto.howstuffworks.com/limo.htm
Limousines have become a staple for airport transportation and formal events. Find out how limousines are manufactured and what cars are used as limousines.
How the Manhattan Project Worked
science.howstuffworks.com/manhattan-project.htm
The Manhattan Project was the code name used for the secret plan to develop nuclear weapons by the United States. Learn more about the Manhattan Project.
How to Get Rid of Hives With Aromatherapy
Itchy, red hives are caused by allergies, but use essential oils to make the itching stop! Follow these tips to get rid of hives with aromatherapy.
Aromatherapy: Birch
health.howstuffworks.com/wellness/natural-medicine/aromatherapy/aromatherapy-birch.htm
Birch has long been used in aromatherapy preparations to promote menstruation or to soothe skin conditions. Learn more about this essential oil.
Aromatherapy: Cypress
health.howstuffworks.com/wellness/natural-medicine/aromatherapy/aromatherapy-cypress.htm
Cypress can be used in aromatherapy preparations to reduce stress or fight infections when applied to the skin. Learn more about this essential oil.
Continuity Tester
home.howstuffworks.com/continuity-tester.htm
A continuity tester is an easy-to-use electrical tool that will help you pinpoint problems in wires or components. Learn about continuity testers.
10 Home Remedies for Canker Sores
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-canker-sores.htm
There are many home remedies for canker sores that use many of the objects already in your home. Learn about home remedies for canker sores.