The filosophy of the blog in spanish words

Conceptual Map

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Visualization - The Explaination of "Refractory" and "Dark"

Visuwords — Look up words to find their meanings and associations with other words and concepts. Produce diagrams reminiscent of a neural net. Learn how words associate.




Explaination of "Refractory"



Explaination of "Dark"

Christmas balls

Christmas ornaments are decorations (usually made of glass, metal, wood or ceramics) that are used to festoon a Christmas tree. Ornaments take many different forms, from a simple round ball to highly artistic designs. Ornaments are almost always reused year after year, rather than purchased annually, and family collections often contain a combination of commercially produced ornaments and decorations created by family members. Such collections are often passed on and augmented from generation to generation.

Solar Cooker - Invention from the Idea of Reflectivity

A solar oven or solar cooker is a device which uses sunlight as its energy source. Solar Cookers are a form of outdoor cooking and are often used in situations where minimal fuel consumption is important, or the danger of accidental fires is high.

There are a variety of types of solar cookers: over 65 major designs and hundreds of variations of them. The basic principles of all solar cookers are: Concentrating sunlight, Converting light to heat, Trapping heat.

Solar ovens can be used to prepare anything that can be made in a conventional oven or stove—from baked bread to steamed vegetables to roasted meat. Since solar ovens are placed outside, they do not contribute unwanted heat inside houses.Solar cookers use no fuel, which means that their users do not need to fetch or pay for firewood, gas, electricity, or other fuels.Solar cookers do not produce any smoke. Unlike cooking over an open fire, children cannot be burned by touching solar cookers, which are made from the cardboard or plastic and do not get hot.

Panel Cooker: The HotPot cooking

vessel consists of a dark pot sus-

pended inside clear pot with a lid

Box Cooker: Sun oven

Parabolic Cooker

A New Function of Cell Phone by Girls Today

Today, the function of mobile is not just making a phone call or sending a message. It has become an essential thing carried by many fashion girls every day. Since the screen of new-produced cell phone can even reflect images, now it has been always used as a mirror to make up .

Obervation Method of Eclipse in Ancient Chinese Astronomy

Eclipse is one of the important astronomical events humans can perceive by eyes, so humans pay more attention to it in ancient times. There are quantities of records of eclipse observation. In about 20 centuries BC, the earliest record of eclipse in the world is found in a Chinese chronology. It is estimated that there are about thousands of records of eclipse in Chinese chronology (the most in the world).

In ancient times, the main method of observing eclipse is reflection from water basin, which is used in 1 century BC. In Song Dynasty, people began to use oil basin instead of water basin. And in Yuan Dynasty, GUO Shoujin did measurement of eclipse by means of image by ping hole. At the end of Ming Dynasty, Astronomer, XU Guangqi had begun to observe the eclipse by means of telescope.



Reflection of eclipse in ink water basin



Chinese Ancient Astronomer "GUO
Shoujing" in Yuan Dynnasty