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Your search for "vacuum tube" returned 190 results
Skin Grafts
health.howstuffworks.com/skin-care/information/anatomy/skin-graft.htm
Skin grafts are patches of skin that are attached to help wounds heal. Even though it's incredibly painful, skin graft surgery can save lives.
How Sidewinder Missiles Work
science.howstuffworks.com/sidewinder.htm
A Sidewinder missile weaves through the air toward an enemy target as if it has a mind of its own -- and in a way, it does. High-tech "smart weapons" take most of the guess work out of hitting a target. Find out how Sidewinders seek and destroy.
What device did Douglas Engelbart invent?
science.howstuffworks.com/innovation/big-thinkers/douglas-engelbart-invention.htm
If this were trivia night, your team could probably summon this answer without breaking a sweat. But in true polymath style, Engelbart's signature invention is only part of his computer genius. Meet him.
How to Change Auto Spark Plugs
auto.howstuffworks.com/under-the-hood/vehicle-maintenance/change-auto-spark-plugs.htm
Changing auto spark plugs can be tricky without instruction. Learn about changing auto spark plugs at HowStuffWorks.
How Breast Pumps Work
science.howstuffworks.com/innovation/everyday-innovations/breast-pump.htm
Breastfeeding is a healthy way to feed young children, but busy schedules and other factors may keep mom from being available when baby's hungry. Breast pumps can help bridge that gap.
How Space Food Works
science.howstuffworks.com/space-food.htm
Space food for astronauts has come a long way since the flavorless paste that came in tubes. Learn about the development of space food.
How to Clean a Pool: 10 Maintenance Tips
home.howstuffworks.com/10-pool-maintenance-tips.htm
Keeping your pool sparkling clean doesn't have to be as cumbersome as you might think. The secret to pristine pool health is regular, routine care. These 10 maintenance tips will keep your pool in tip-top shape.
How Mass Spectrometry Works
science.howstuffworks.com/mass-spectrometry.htm
Mass spectrometry is an aspect of science that could finally put the steroid era of baseball to an end. Learn about mass spectrometry.
How MID Tablets Work
computer.howstuffworks.com/tablets/mid-tablets.htm
MID tablets are the smaller and full-size tablets that are often the cheaper products on the market. See what you should know about MID tablets.
How SED-TV Works
electronics.howstuffworks.com/sed-tv.htm
Learn how the SED-TV combines the picture quality of a CRT with the compact design of a flat-screen plasma display.