The environment is truly a thing of beauty and should be protected whenever possible. What can we do to save the environment, and what new technology is available to help us?
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Diamond engagement rings. Diamond anniversary bands. Diamond earrings and necklaces. And now, the right-hand diamond ring! The four Cs -- cut, clarity, carat and color. Find out what the fuss is all about.
By Kevin Bonsor
How do plants compare to solar cells when it comes to collecting solar energy? Would you get more power from an acre of ground by putting solar cells on it or by raising plants?
If you ask anyone interested in surfing, they'll probably tell you that you need to be on the West Coast in order to find the biggest waves. But why is that? Why are the waves bigger on the West Coast when compared to the East Coast of the U.S.?
Another series of rolling blackouts are hitting California. Learn why this is happening and how it affects you.
By Kevin Bonsor
How can water cut through steel? A device called a waterjet uses extreme force to cut through all sorts of things.
Where electricity is produced from a coal fired power station, how much coal is required to run a 100-watt light bulb 24 hours a day for one year?
The polar ice caps have been in the news recently because of their alleged shrinking due to global warming. If this is true, how much would the oceans rise if the ice caps melted completely? Learn the answer to this question in this article.
Let's say you have a lunch date to make – and it's on the other side of the planet. Wouldn't it be convenient to pop down a hole through Earth's innards? But what would really happen if you did?
Is it possible to generate electricity directly from heat? Thermocouples do it, with no moving parts.
A seismograph can accurately measure the movement of the Earth during a quake. How does a seismograph work, though, and what is the Richter scale that is associated with earthquakes? Learn the answers to these questions in this article.
We know that paper comes from trees, but just how much does it take? Let's do the math and figure out how much paper your average tree can be made into.
During the summer I am always hearing about ozone warnings in my city. This ozone is bad. But then I hear about the ozone layer, which is good. How can ozone be both good and bad?
Charcoal is carbon. Activated charcoal is charcoal that has been treated with oxygen to open up millions of tiny pores between the carbon atoms. What does this have to do with its absorbancy?
One way to store energy is to use a battery, like a lead-acid battery or a nickel-cadmium battery, but are there lighter or longer-lasting ways to store energy? There must be a better way!
Let's say you have a nice fire going, and it's reduced down to a pit of hot "glowing embers." If you now toss a piece of wood, or even a sheet of paper, onto this fire, you see a huge puff of smoke as it heats up.