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Online store for hobby science and other hobby gear
Welcome to this online store for hobby articles. Buying hobby equipment online, you can get them for a better prize than from your local stores. Often you can also find items or product variants you do not find locally.
clicking on the banners below, you will enter a specialized online store
for each cathegory. There you can learn more about, or order the products
exhibited on this page, and many other hobby products.
Further down on this page there is an article about the scientific method - a general working procedure all scientists use or try to use as well as possible.
GENERAL SCIENCE SETS AND INSTRUMENTS
TELESCOPES AND ASTRONOMY KITS
MICROSCOPES FOR HOBBY, STUDIES AND PROFESSIONAL USE
GOOD SOURCES FOR ALL TYPES OF HOBBY GEAR
General stores for all hobby gear - including electronic hobby kits and tools Please click on these banner sto find all types of RC models and other hobby items. Wireless models of aircrafts cars and boats. Electronic sets, telescopes, computers and a lot more. Models in all size and prize cathegories, and suitable for all ages. Electric driven models that are suitable for indoor and outdoor use, and extreme speedy gas driven models for the advanced modeller
Trendtime Toys - hobby items and techical toys for all age groups, including science kits
HobbyTron - RC models, airsoft guns, electronic kits and components and other hobby items
Store with good offers on rc models, science kits and all types of technical items for hobby use, work and home/font>
Gamer's Gate - Computer games for good prizes - This is perhaps the biggest game store in the world. Any game for PC and Mac is likely to be found here. As an option you can download to your computer the games you buy right away.
Nothing but Software - all games and all computer software - In this shop you will find electronic games of all chathegories: Action,Adventure, Arcade, Board Games, Cards & Casino, Classics, Collections, Flight Sims, Hunting & Fishing, Kid Games, MahJonng & Tetris, Pinball, Puzzle, Racing, Role Playing, Simulations, Sports, Strategy, Trivia, War Games. This is also a general store for software and computer accessories where you can find any kind of software for good prizes.
ABOUT THE SCIENTIFIC METHOD
The scientific method is the way scientists are working, or at least try to work, because it is not allways possible to behave like a prescribed ideal. It consist of several steps:
- First one does some observations in some field, for example physics. The observations are ideally done several times under equal conditions using exactly calibrated measure instrumnts, exactly calibrated photografic equipmnt or other exactly calibrated equipmnt that give a record of the observation.
Sometimes it is conveniant to take specimens under equal conditions and then preparing these specimens in exactly the same way before doing measures and observarions on the specimens.
Sometimes it is not possible to measure with calibrated instruments, but one have to observe manually. In these cases one still tries to make several observations under equal condition, Then both the conitions and the observation are written down using a standarized language and a standarized formula.
- After having recorded the observations one tries to make a unified description of the thing that have been observed that comprizes all the aspects of the observations. In scienses like phyics and chemistry this description will ideally use mathematics and formulas with an exact interpretations.
Then one must observe still more times under the same equal conditions to see if the description made, really predict the right kind of occurances under the same conition. These observations should ideally be performed by another team and that team should write a critic about the initial claimes about what has been observed.
Then one tries to explain the observations using more simple facts allready known or by using more simple new basic assumptions - so called axioms. Such an explanation will also typically be mathematical in sciences where that is possible. One then have a scientific hypothesis
Having an hypothesis one then tries to find out if the hypothesis will really predict the observations made under the conditions that existed. Typicaly one will put parmeters into the mathematical formulas in the hypothesis than were actual during the initial observation.
Having an hypothesis one also tries to find out if the hypothesis will predict new observations under some new condition. Typicaly one will put other parmeters into the mathematical formulas in the hypothesis than those during the initial observation.
At last one does experiements where those other conditions described by the new paramter values are ruling. One then can see if the hypothesis really is able to predict also new observations. When this is confirmed one has a new scientific theory.
Also the experiments under the new parameter values should be confirmed by another independent team that then writes a critic about the theory.
SOME EXPLANATIONS ABOUT AIRCRAFTS
Remote control models: Models of vehicles or machines of which the user can control all aspects of operation, like: Speed, direction of movement, spatial position, operaration of integrated tools, operation of accessories or operation of motor.
VTOL - Vertical take off and landing: Denotes an aeroplane that can lift itself up in the air and land vertically, and thus does not need any running ground to gain speed before taking off or halt after having landed. A helicopter is the most typical VTOL, but there also exist VTOL jet fighters (Harrier).
Fusledge: The fuseledge is the main body of an aeroplane that carries all the other parts directly or indirectly. Usully the people's cabine is placed in the fuseledge and the wings directly attached to it, but other wing arrangements are possible.
Tail booms: Some airplanes do not have tail wings and a tail rudder at the back end of the fuseledge, but instead they have two booms extending backwards from each wings, with a tail rudder at the back of each boom, and with a tail wing going form one boom to the other.
Vortex: A latin word for a whirl.