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Hobbies & Science : Society & Culture & Entertainment
How to Prune Overgrown Oleander
Few shrubs put on such a reliably beautiful flower show with such little care as oleanders. The ravages of time and weather, however, can cause these evergreen shrubs to become overgrown, partially defoliated and to have dwindling bloom performance. A three-year program of renewal pruning is the ans
The Difference Between TAS & IAS
The determination of speed is different in the aviation sector than with vehicles that travel on the ground. The two types of airspeed are indicated airspeed, or IAS, and true airspeed, or TAS. These types of airspeed are often close in measurement, but true airspeed offers a more accurate airspeed
How to Make an Electric Solar Panel
Harnessing the photovoltaic effect that turns sunlight into electricity can be done in any kitchen or workshop with a gas burner with only a few basic materials and the right tools, and with little expertise. This solar panel model is based on copper rather than silicon, and is not nearly as effecti
How to Restore a Permanent Magnet
A permanent magnet is a piece of metal that holds onto magnetic properties outside the presence of an external magnetic field. Describing them as permanent is not quite accurate, however. Although "permanent" magnets are able to retain their magnetic properties, on their own, for long periods of tim
About Block and Tackle Hoists
A block and tackle hoist is a classic piece of muscle power engineering, and a solid example of elementary mechanics. Given that all it requires is a pair of sturdy hands, a rope, and two pulleys, it is a handy principle to understand for anyone in a job that might require lifting a heavy object on
How to Tell the Kind of Drill Bits Apart
The modern drill bit is a specialized tool, backed by years of technological development. Historically, manual drill operators were more concerned with precision drilling rather than volume drilling. Their knowledge of the precise shape and type of bit to use for a specific cut was built on years of
How to Calculate Aphelion
Aphelion is a term used in astronomy to describe the position in a planet's elliptical orbit in relation to the sun. Specifically, aphelion is the point in a planet's orbit that is the farthest from the sun. The closest point to the sun in a planet's orbit is the perhelion. Aphelions exist because t
Different Types of Wood Slices
A wood slice is a cut of wood often with bark still on it.wood image by Amjad Shihab from Fotolia.com"Wood slices" is simply a different term for various cuts of wood. Many wood slices are raw cuts such as chunks, branches and sticks or thin slices. Raw wood slices typically retain the...
How to Create a Beaded & Wire Tree Sculpture
Tree sculptor Sal Villano makes his popular bead and wire tree sculptures using glass fringe beads and brass wire. You can create similar tree sculptures at home using 26-gauge wire and glass beads. These trees also make excellent scenery for dioramas, according to the Armorama website. Add loops t
How to Calculate Frequency
Frequency is the number of repetitions of a periodic process per 1 second and is measured in Hertz (Hz). Light or sound are examples of such periodic processes and are called electromagnetic waves. Frequency is a way to distinguish among different types of waves. For instance, the frequency of soun
How to Trace the Presence of Organic Molecules
Molecular fluorescence spectrometry is used to quantify organic molecules at trace concentrations in both environmental and biological samples. Fluorescence causes molecules to return to the ground state after being excited by radiation. A spectrofluorometer creates a broad band of light source in a
Layers of Rainforest Trees
Rainforests are made up of four layers of trees. These are known as the rainforest floor, the understory, the upper canopy and the emergent layer. Each rainforest layer is very distinct and the differing levels of light and humidity in each one makes them each suitable for different types of plant a
Model Boat Crafts
Model boats can be incorporated into a number of craft projects.Sailing race image by C Sprucefield from Fotolia.comMaking or collecting model boats can be a satisfying hobby for both children and adults. These miniature vessels can be extremely detailed, looking just like their larger...
How to Clean Rust With a Battery Charger
Rust can be removed from metal by a process called electrolysis. This is accomplished using a battery charger to provide an electric current. This method works most effectively if the process is done slowly so that pitting and corrosion are minimized. It works best on iron and steel, though other me
How to Repair Veneer Furniture
Repairing damaged veneered furniture can be fairly simple and economical for the homeowner who likes to fix his own furniture. Veneer repair damage can take the form of buckled, peeling and missing veneer. However, before embarking on repair, be sure the piece you want to restore is not a valuable a
How to Buy the Bohemian Gothic Tarot Deck
The Bohemian Gothic Tarot deck is an uncommon, out-of-print deck, and the likelihood of it being reprinted are very low. If you are interested in owning your own copy of this rare but fascinating deck, you may have to use patience and keep an eye on multiple online sources before you find a copy to
How to Score Goals on PES
Pro Evolution Soccer, originally released in Japan as Winning Eleven, is a sports strategy game released by Konami for the PlayStation 2 console. PES allows players to control all facets of play surrounding a soccer match, from in-game play to pregame strategy. Scoring in PES is designed to be more
How to Convert Perchlorethylene Micrograms/Liter to Ppm
Perchlorethylene, or tetrachloroethylene, is a organic liquid with the chemical formula C(Cl2)=C(Cl2). This compound is primarily used as the cleaning agent for fabrics. Perchlorethylene is a toxic substance and its exposure limits is commonly given in parts per million (ppm). Ppm is more convenient