How to Make a Global Sun Oven

Hobbies & Science 6/19/2019 8:26:00 PM 6/19/2019 8:26:00 PM

6/19/2019 8:26:00 PM 6/19/2019 8:26:00 PM

Cooking with conventional gas or electric ranges and ovens requires a large amount of valuable energy. Ranges also generate a lot of heat in the house on hot days, causing you to turn up the air conditioner and increase your electric bill. You can give your indoor range a break by using a global sol

Hydraulic Fluid Information

Hobbies & Science 6/19/2019 8:23:00 PM 6/19/2019 8:23:00 PM

6/19/2019 8:23:00 PM 6/19/2019 8:23:00 PM

The term hydraulic fluid refers broadly, according to the Agency for Toxic Substances and Disease Registry, to a class of materials used for pressure transfer in a wide variety of machines and equipment. It is also called hydraulic oil.

Types of Tools Used for Pottery

Hobbies & Science 6/19/2019 8:14:00 PM 6/19/2019 8:14:00 PM

6/19/2019 8:14:00 PM 6/19/2019 8:14:00 PM

An example of a potter using a potter's, or fettling, knife.making pottery image by Avesun from Fotolia.comAccording to the clay-working magazine "Ceramics Today" (see References), the ancient art of pottery-making underwent a revolution in the third millennium B.C.E., when potters in...

Kinesthetic Ideas for Scarecrows

Hobbies & Science 6/19/2019 7:47:00 PM 6/19/2019 7:47:00 PM

6/19/2019 7:47:00 PM 6/19/2019 7:47:00 PM

Kids learn by doing. Making a scarecrow, as opposed to just listening to a lecture about them or even watching someone else make one, just doesn't have the same impact. This is called kinesthetic learning. Add a bit of creativity and you just might end up with an colorful scarecrow that not only sc

The Differences Between Kinetochore & Nonkinetochore

Hobbies & Science 6/19/2019 7:37:00 PM 6/19/2019 7:37:00 PM

6/19/2019 7:37:00 PM 6/19/2019 7:37:00 PM

Within 24 hours, a human cell can divide into two daughter cells that are identical to the original. This cell cycle includes growth of the cell, duplication of the DNA and division of the chromosomes and cell contents. The stages of the cycle -- which occur in both plants and animals -- are called

Ceramic Domed Toad Home Donut Formation

Hobbies & Science 6/19/2019 8:18:00 AM 6/19/2019 8:18:00 AM

6/19/2019 8:18:00 AM 6/19/2019 8:18:00 AM

Best Way to Clean Old Coins

Hobbies & Science 6/19/2019 8:14:00 AM 6/19/2019 8:14:00 AM

6/19/2019 8:14:00 AM 6/19/2019 8:14:00 AM

Out of all coins, older ones are usually the rarest, yet the dirtiest. Some coins have greater value when left alone, and others you should clean before trying to sell to collectors. If the cleaning process damages the coin, the coin's value may decrease by up to 90 percent. On the other hand, clean

How to Build a Step Box

Hobbies & Science 6/19/2019 7:59:00 AM 6/19/2019 7:59:00 AM

6/19/2019 7:59:00 AM 6/19/2019 7:59:00 AM

A step box can help you get the most from your workouts. Stepping on and off the box during your exercise routine can help build your legs and increase your heart rate as well as add variety to your movement repertoire. Build your own step box out of wood to avoid paying the often high prices of com

How to Make a Soda Bottle Rocket Launcher

Hobbies & Science 6/19/2019 7:46:00 AM 6/19/2019 7:46:00 AM

6/19/2019 7:46:00 AM 6/19/2019 7:46:00 AM

Many people remember making a homemade rocket launcher out of a soda bottle when they were kids. Soda bottle rocket launchers make for a great DIY project, as they are easy to construct and are extremely fun to use. Perhaps the greatest thing about this project is that it can be completed using litt

How to Calculate kPa

Hobbies & Science 6/19/2019 7:36:00 AM 6/19/2019 7:36:00 AM

6/19/2019 7:36:00 AM 6/19/2019 7:36:00 AM

Engineers often measure or calculate pressure in metric units. The unit for pressure is the Pascal, or one newton of force per square meter of area. Converting pressure to kiloPascals (kPa), which equals 1,000 Pascals, will abbreviate large pressure values. You must only consider the amount of force

How to Make a Model Airplane Wing With Fiberglass

Hobbies & Science 6/19/2019 4:51:00 AM 6/19/2019 4:51:00 AM

6/19/2019 4:51:00 AM 6/19/2019 4:51:00 AM

Fiberglass is lightweight and durable. These qualities make it ideal for making model airplanes with. If you plan to fly the aircraft, you need to make the wings from foam or wood and then cover them with fiberglass, since fiberglass wings alone lack the interior strength to withstand the rigorous d

How to Set Up a Wood Lathe Tool Rest

Hobbies & Science 6/19/2019 4:21:00 AM 6/19/2019 4:21:00 AM

6/19/2019 4:21:00 AM 6/19/2019 4:21:00 AM

A lathe spins a piece of wood at high speed as a hand-held cutting tool is applied to the wood to cut and shape it. The tool rest is the place on which you set the tool while the wood is turning. Given the speed and power of the turning wood, the tool rest is essential for maintaining control of the

How Does Oxidation Occur on Bananas?

Hobbies & Science 6/19/2019 4:04:00 AM 6/19/2019 4:04:00 AM

6/19/2019 4:04:00 AM 6/19/2019 4:04:00 AM

Have you ever wondered why bananas turn brown when left on the counter for a while? The reason for this is oxidation, a chemical process that affects many fruits including oranges, apricots and apples. These fruits contain an enzyme called polyphenol oxidase which causes a chemical reaction when exp

Characteristics of Marine Lizards

Hobbies & Science 6/18/2019 8:08:00 AM 6/18/2019 8:08:00 AM

6/18/2019 8:08:00 AM 6/18/2019 8:08:00 AM

The marine iguana, Amblyrhynchus cristatus, is found on the Galapagos Islands off the coast of Ecuador. Scientists theorize land-dwelling iguanas from South America drifted out to sea and landed on the Galapagos. Marine iguanas evolved from land iguanas and spread throughout the archipelago. The wor

How to Adjust an Altimeter

Hobbies & Science 6/18/2019 7:48:00 AM 6/18/2019 7:48:00 AM

6/18/2019 7:48:00 AM 6/18/2019 7:48:00 AM

An altimeter is a sensitive instrument that measures the distance off the ground something is. Altimeters are used in navigation by airplanes and other aircraft when trying to establish position. You need to adjust your altimeter during every flight for an accurate reading. The reading is affected b

Types Of Shrimp

Hobbies & Science 6/18/2019 7:34:00 AM 6/18/2019 7:34:00 AM

6/18/2019 7:34:00 AM 6/18/2019 7:34:00 AM

Shrimp is an excellent source of nutrients and are thought to protect against cardiovascular diseases and certain types of cancer. Shrimp grown in the U.S. market are produced or caught in the Gulf of Mexico and Florida -- all-in-all comprising only 10 percent of the consumed shrimp in the entire co

How to Convert Density

Hobbies & Science 6/17/2019 8:49:00 PM 6/17/2019 8:49:00 PM

6/17/2019 8:49:00 PM 6/17/2019 8:49:00 PM

The density of a substance is the ratio of its mass to its volume. An example is 8.3 pounds per gallon. That's (approximately) the density of water. To convert density units, you can convert the mass unit and the volume unit in separate steps. For example, you may find it useful to change from pound

How to Use an AV Modifier

Hobbies & Science 6/17/2019 8:31:00 PM 6/17/2019 8:31:00 PM

6/17/2019 8:31:00 PM 6/17/2019 8:31:00 PM

"Fallout 3" is a role-playing game in which players must wander through a post-apocalyptic wasteland in an effort to return clean water to their region. Before you begin playing, you must create your playable character by giving him a set number of skill points. While playing, you can coll

Brass Hand Tools

Hobbies & Science 6/17/2019 7:53:00 PM 6/17/2019 7:53:00 PM

6/17/2019 7:53:00 PM 6/17/2019 7:53:00 PM

Steel is perhaps the most common metal for hand tools. But brass has advantages in many specific applications. It's a softer metal, made of zinc alloys and copper. In some cases, this makes brass an easier choice for custom tool makers because it's softer and easier to machine than other metals. It

How to Identify a Russian SKS by the Serial Number

Hobbies & Science 6/17/2019 7:43:00 PM 6/17/2019 7:43:00 PM

6/17/2019 7:43:00 PM 6/17/2019 7:43:00 PM

The SKS rifle was developed by the Soviet Union during World War II. The SKS is the forerunner to the AK47. Later the rifles were copied and manufactured in China, Yugoslavia, Serbia, North Korea and Vietnam. The SKS was used widely not only in World War II but also in the Korean War, and in Vietnam