Search results
Results from the WOW.Com Content Network
Many of the people who attempted the test explored other creative, but less efficient, methods to achieve the goal. For example, some tried to tack the candle to the wall without using the thumbtack box, [5] and others attempted to melt some of the candle's wax and use it as an adhesive to stick the candle to the wall. [1] Neither method works. [1]
In his "candle problem" the situation was defined by the objects: a candle, a box of thumb-tacks and a book of matches. The task was to fix the candles on the wall without any additional elements. The difficulty of this problem arises from the functional fixedness of the box, which originally contained thumb-tacks.
To compare experiment with a theoretical model, a two-dimensional plane wall jet of width (h) along a circular wall of radius (r) is referred to. A wall jet follows a flat horizontal wall, say of infinite radius, or rather whose radius is the radius of the Earth without separation because the surface pressure as well as the external pressure in ...
The last time I checked -- oh, about 20 seconds ago -- I have 1,981 songs stashed on iTunes in my MacBook Pro. Ah, the perks of being a former music critic; all the CDs I own fill five of those ...
A vacuum bell jar is placed on a base which is vented to a hose fitting, that can be connected via a hose to a vacuum pump. A vacuum is formed by pumping the air out of the bell jar. The lower edge of a vacuum bell jar forms a flange of heavy glass, ground smooth on the bottom for better contact. The base of the jar is equally heavy and flattened.
The experiment uses a simple barometer to measure the pressure of air, filling it with mercury up until 75% of the tube. Any air bubbles in the tube must be removed by inverting several times. After that, a clean mercury is filled once again until the tube is completely full.
In cosmology, the cosmological constant problem or vacuum catastrophe is the substantial disagreement between the observed values of vacuum energy density (the small value of the cosmological constant) and the much larger theoretical value of zero-point energy suggested by quantum field theory.
The wax argument or the sheet of wax example is a thought experiment that René Descartes created in the second of his Meditations on First Philosophy.He devised it to analyze what properties are essential for bodies, show how uncertain our knowledge of the world is compared to our knowledge of our minds, and argue for rationalism.