Science

How to Save Energy (And Money)

By chenderson00

1 comments

Conserving energy is a great way to contribute to the energy crisis and save some extra money! You don't need to your home inspected, or buy a ton of fancy light bulbs to save some energy...Here are some simple ways to do so!.. more »

How to Save Money and Help the Planet

By Eve York

7 comments

Here are afew things some of us forget to check... more »

How to See Invisible Infra-Red Light

By rcamp004

2 comments

Have you ever wanted to see something invisible? That's a bit of an oxymoron isn't it? However, it is possible and I'll show you how... more »

How to Set Water on Fire

By Mike

2 comments

Yes you heard me right, set water on fire! Ok well maybe not directly but this is a pretty neat science experiment none the less. Just remember to always conduct this experiment outdoors and if you are under the age of 18, do so with adult ... more »

How to squeeze an egg without breaking it

By MustangEmpire

1 comments

Is it possible to squeeze an egg as hard as you can without breaking it? The answer is - yes! We've all learned the hard (and messy) way that eggs can be fragile, but despite their reputation, eggs are amazingly strong. Amaze your friends and ... more »

How to Start A Fire With A Magnifying Glass, Strong Eyeglasses, or Binoculars

By delorean88

0 comments

Start a fire with a glass lens. It's easier than you think... more »

How to State a Statistical Hypothesis

By Paul McDaniel

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Stating a statistical hypothesis is a necessary and essential part of statistical inference. In order to formulate a statistical test, usually some idea or theory has been suggested and the statistical test is designed to determine whether or not ... more »

How to Stay Safe During a Lightning Storm

By painthorse42

0 comments

Lightning storms can be extremely dangerous, but there are things that you can do to keep your family safer during one of these storms... more »

How to Suck an Egg into a Bottle

By Tabitha85730

0 comments

Another classic science experiment that is fun for children as a school project. Watch in amazement as an egg somehow amazingly, can pass through a bottle that has a smaller opening than the diameter of the egg... more »

How to Tell If You Are A Trekkie, Part II

By Audrey M Brown

9 comments

Just in case you still needed some help determining your "Trekkie" status. You may be a Trekkie if..... more »

How to Troubleshoot Photoelectric Sensors

By nethopperz

2 comments

Applications for photoelectric sensors vary as do the design and function of the photoelectric sensors themselves, but there are certain things to look for if your set of photoelectric sensors has ceased to function... more »

How to Understand Alternative Energy

By Paul McDaniel

9 comments

With all the talk by politicians and the media lately about the need to shift our energy sources from a huge reliance on foreign oil to more alternative sources of power (including more environmentally friendly power sources), you might be ... more »

How to Understand Infinity

By Bob Strauss

1 comments

At first blush, you might think that no one could actually “understand” the concept of infinity—after all, by its very definition, infinity lies beyond what any (finite) being can possibly imagine. However, mathematicians work with infinity all ... more »

How to Understand Mercury in Retrograde

By cherry67

3 comments

Right now mercury is in retrograde, in Libra by the way. I have always been a firm beliver in the cosmos. Something mysterious and daunting about the universe. Mercury goes in retrograde 3 times a year and rules Air signs. Mercury is also planet ... more »

How to use and remember common Latin Abbreviations ('i.e.', 'e.g.', 'et al.', and 'etc.') properly

By Bignonia

1 comments

If you've done any academic writing, you've surely encountered some Latin abbreviations, like 'e.g.' The usage of some of the common abbreviations is pretty straightforward, luckily... more »

How to Use Orion to find the North Star

By rcamp004

3 comments

A lot of times it's easier to find Orion than the North Star. Usually because of light pollution or poor viewing conditions. This Ehow article will deal with using Orion to get in the general vicinity of the North Star... more »

How to View Neptune

By Sheila Wilkinson

0 comments

Neptune is the fourth largest planet in our solar system and the eighth from the sun. Neptune was named after the Roman god of the sea of the same name and its astronomical symbol is a slightly modified version of Poseidon’s trident. Does Neptune ... more »

How to Visit a Planetarium

By Paul McDaniel

3 comments

A visit to a planetarium is an educational, but also a fun experience for the whole family. During your visit you should be able to see a show on a topic relating to astronomy, such as the stars, constellations, the planets, and more. You should ... more »

How to Assemble a Tesla Turbine

By rcamp004

0 comments

This How To article will show you how to build a Tesla Turbine from those old Cd's and CD tower cases you wanted to throw away but just couldn't bring yourself to. You can find additional information on my blog: ... more »

How to Become an Amateur Astronomy Hobbyist

By eHow Hobbies, Games & Toys Editor

0 comments

Amateur astronomy is the exploration by the general public of the night sky using binoculars or small telescopes. This type of astronomy feeds the curiosity of people for the seemingly limitless possibilities of space. Your interest in learning ... more »

How to Calculate Kelvin Temperatures

By eHow Hobbies, Games & Toys Editor

0 comments

Kelvin temperatures are the Standard International (SI) units for science. The Celsius scale is also used for science, as well as being the common scale used in most countries. Fahrenheit is the scale commonly used in the United States. ... more »

How to Check Local Weather

By Paul McDaniel

2 comments

Want to know the weather forecast for you local area, for your travel destination, or for any other area? Well, there are several methods you can use to find local weather reports. This article will show you these various methods and soon you ... more »

How to Chose the best Solar Oven

By Wasatch

6 comments

There are many great solar ovens out now. You can even make one fairly simply that work with a box, plastic wrap, and aluminum foil. I wanted the best small one I could find and these are some of the features wanted... more »

How to Clean a BT4

By Yibbie

0 comments

This is a step by step article that will help you learn how to take apart and clean your BT4 paintball gun... more »

How to Clearly Understand that Global Warming is Really Happening

By Traqqer

0 comments

Global warming is currently the big environmental topic. I’ve had several years of consulting experience in this field, and I keep finding out that a lot of people are not really clear on what it really is and whether it’s really happening. If ... more »

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