Along with water, earth and air, fire is one of the four elements (basic elements). Development of fire by ancient people was a turning point in human social evolution.
Fire is the main phase of the combustion process, and tends to spread itself on affected them other combustible materials. While there are processes of burning chemicals there are exceptions when the substance burns without a flame.
The most striking example of self-propagation of fire – a forest fire.
Putting out a forest fire in Idaho on August 16, 2013. (Photo by Ashley Smith):
3. However, the fire is peaceful. For example, when you run the paper sky lanterns (until he flew back to the ground and set fire to anything). Tehran, Iran, March 17 2015. (Photo by Vahid Salemi):
4. What kind of football without the fans and flares during the match? Belgrade, Serbia, April 25, 2015.
The origin and existence of fire requires three components: a fuel that burns oxidizer, which allows the process to flow and temperature. In the absence of any of the three factors of the fire is impossible.
5. The steel plant in Lower Saxony, 17 March 2015. (Photo: Fabian Bimmer | Reuters):
6. Without fire rarely cost unrest in cities. Cairo, Egypt, March 29 2015. (Photo by Manu Brabo):
7. With the help of fire can purify the body and the universe. At least so say in Bali, Indonesia, March 20 2015. (Photo Agung Parameswara):
The role of the oxidant often acts oxygen but may make other elements – such as chloro or fluoro. Curiously, the water under illuminates fluorine pale violet flame, the water is the fuel, and the combustion of oxygen is liberated. In other words, without access oxidant body can not catch fire.
8. Steel plant in Bobruisk (that same), Belarus, March 11 2015. (Photo by Vasily Fedosenko | Reuters):
9. Tests solid rocket motor in Utah, March 11 2015. (Photo by Jim Urquhart | Reuters):
Chemicals burn, turning his fire individual atoms or ions, which are released under high temperature.
A variety of flame color (in brackets are burned substance):
- White (aluminum, titanium);
- yellow (sodium salt);
- orange (wood);
- Red (lithium, calcium);
- blue (carbon, natural gas);
- blue (selenium);
- violet-pink (potassium);
- green (copper, molybdenum, phosphorus, barium, antimony);
- blue-green (forest).
10. Fire in the steel shop in Liaoning Province, China, March 16 2015. (Photo: Reuters | China Daily):
It is believed that the discovery of a method of making fire was a direct consequence of the processing of stones still in the early Paleolithic. Initially, the fire was used to create smoke against the pesky flying insects and then the ancient people mastered fire cooking function: first, smoked food in the smoke, and then began to roast on an open fire and bake in the ashes, in the Neolithic period (the invention of ceramic vessels) have mastered the jam.
11. Catholics are in service in Minsk Kindle Fire, April 4 2015 (FotoVasily Fedosenko | Reuters):
Along with cooking function fire was opened by its heating and lighting function (the latter demanded the invention of tarred torches). Fire as a focus group members contributed to the consolidation of primitive people (often acquired religious overtones) and the birth of their ideas about the property.
Anyway, the development of fire by ancient people was a turning point in human social evolution.
12. Fire in Fujian Province on 7 April 2015. The work of firefighters are always included in the list of the most dangerous professions. (Photo by Reuters | Stringer):
13. Shestizvone – the traditional spring festival in Zurich. Celebrated since the beginning of the XX century on the third Monday of April. It is essentially the wires of winter and beginning of spring. The culmination of the festival is the burning of a snowman effigy symbolizing winter. The snowman’s body lay certain portions of explosives, and the biggest is in the head. Snowman solemnly ignited, and then note the time to the moment when the head is going to explode. The shorter the time, the better is believed to be summer. It usually takes 7-15 minutes, but the rainy weather, the procedure can last more than half an hour. (Photo by Arnd Wiegmann | Reuters):
With the development of civilization, the fire was used as a weapon of destruction (Greek fire, toughened core flamethrower, Molotov cocktails) and as a means of communication (optical telegraph).
14. The burning of confiscated drugs at a military base in Santo Domingo on 16 April 2015. See also the “Bonfire of 134 tons of marijuana in Mexico.” (Photo by Ricardo Rojas | Reuters):
In Russia, the “live” call the fire that is produced by rubbing two pieces of wood. In Galicia, a fire was called “God.” The oldest method of making fire, having religious significance, still remain in the folk rituals.
15. Detail view of lighting flares during protests in Belgium on 22 April 2015. (Photo by Yves Herman | Reuters):
In Christianity, fire is associated usually with hell and Satan, but there is fertile fire, holy fire, associated with God.
16. Teachings of fire in the village of Boyarka near Kiev April 22, 2015. (Photo by Gleb Garanich | Reuters):
In Greek mythology, Zeus as punishment for kidnapping people for their Prometheus fire from the gods created the first woman – Pandora. As a rule, flames spewed dragons in many mythologies.
17. The fire during protests in Valparaiso, Chile, April 22, 2015. (Photo by Rodrigo Garrido | Reuters):
Is it possible to shoot in space? Shooting in space, despite the lack of air possible because the oxygen needed for combustion is contained in the powder. However, without a fundamental alteration fire in space it can hardly be called comfortable: because of the lack of gravity and air resistance bullet will fly thousands of times farther.
18. Putting out a fire in Maryland, April 28, 2015 … (Photo by Eric Thayer | Reuters):
19. During Easter on the island of Chios in the Aegean arranged feyerverk- “shootout” between the two churches, located opposite each other on the slopes of the valley.The goal – to get to the bell of the opposite joining more times than it will make the enemy. (Photo by Petros Giannakouris):
20. The collapse and explosion of a train in North Dakota, on December 30, 2013. (Photo by Bruce Crummy):
21. Fire during the launch of the spacecraft “Soyuz TMA-16M” Baikonur on March 28, 2015. (Photo by Dmitry Lovetsky):
High traumatic fire since ancient times attracted people to commit murder. Burning at the stake in the Middle Ages was widely used as a type of the death penalty, in particular – to those who recognize witches.
22. Fire show at the Australian International Air Show on 1 March 2015. (Photo by Scott E. Barbour):
23. A shot tear gas at protesters during riots in Ferguson because lawlessness police on August 18, 2014. (Photo by David Carson):
Along with water, earth and air, fire is one of the four elements (basic elements) and therefore occupy an important role especially in ancient philosophy, such as Heraclitus, and in alchemy.
24. Fire and candle. Holy Week in Spain on March 30, 2015. (Photo by Daniel Ochoa de Olza):
25. Pesach (in Russian – Easter) – the central Jewish holiday in memory of Exodus from Egypt. (Photo by Ammar Awad | Reuters):
26. And in Bali, Indonesia people continue using fire to purify the body and the universe … (Photo Agung Parameswara):
27. Beautiful fireworks launch from a bamboo pipe on April 11, 2015. (Photo by Everett Kennedy Brown):
By the way, as a rule, people are dying in a fire is smoke (combustion products) rather than from the fire itself.
28. The fight against forest fires in the state of Iowa, 16 March 2015. (Photo by Mike Bell):