Search Results | direct current
Your search for "direct current" returned 1,339 results
How will population growth affect energy?
science.howstuffworks.com/environmental/energy/population-growth-affect-energy.htm
The world is growing at an amazing rate. Currently, the Earth's population is growing by 60,000 people every eight hours -- that's two children born every second somewhere around the globe.
How Continuing Education Classes Work
people.howstuffworks.com/how-continuing-education-classes-work.htm
Doctors, lawyers and other professionals take continuing education courses to stay current professionally. Learn how they find these courses.
Which Time Period Is Your Soulmate Stuck In?
play.howstuffworks.com/quiz/which-time-period-is-your-soulmate-stuck-in
Get out your time machine and crank it up, it's time to find your other half! But which year are you going to? Take this quiz now and we'll guide you in the right direction!
Why do cats have whiskers?
animals.howstuffworks.com/pets/question592.htm
Why do cats have whiskers? What are they for? Learn why at HowStuffWorks.
How Power Grids Work
science.howstuffworks.com/environmental/energy/power.htm
Electrical power is a little bit like the air you breathe: You don't really think about it until it is missing. There are good reasons the power grid distribution system works the way it does, though it can lead to some big problems.
How Movie Sound Works
entertainment.howstuffworks.com/movie-sound.htm
Spielberg says that sound is the major technological achievement of contemporary film. The current systems really are amazing. Learn all about movie sound!
Gadget Savvy: Electric Motors Quiz
play.howstuffworks.com/quiz/electric-motor-quiz
Electric motors are inside all kinds of ordinary devices, using a power source to make motion. So what makes the motor go 'round?
How Addiction Works: Exploring Substance Use Disorders
science.howstuffworks.com/life/inside-the-mind/human-brain/addiction.htm
Addiction to substances, such as drugs and alcohol, have ruined the lives of people all over the world. Read about current views and ideas on addiction.
How Do Solar Panels Work?
science.howstuffworks.com/environmental/energy/solar-cell.htm
Solar cells use sunlight to produce electricity. But is the 'solar revolution' upon us? Learn all about solar cells, silicon solar cells and solar power.
Do you know these meteorology basics? Quiz
play.howstuffworks.com/quiz/predicting-the-weather-do-you-know-these-meteorology-basics
Meteorology has come a long way from "red sky in the morning, sailors take warning." How much do you understand about the science behind the forecasts you see on the news?