- Is Blue fire real?
- Which thing has no shadow?
- What is the coldest fire?
- How is Black Fire made?
- Can black fire exist?
- What happens if a virgin lights a black flame candle?
- Is purple fire stronger than blue fire?
- Why our shadow is black?
- Are black flames the hottest?
- What is the hottest fire color?
- Who Found shadow?
- What is the coldest color of fire?
- What does Black smoke mean?
- Can soot kill you?
- Do black flame candles exist?
- Can fire burn white?
- What burns purple in a fire?
- Is light faster than darkness?
- Is it ever too cold for fire?
- Is black fire dangerous?
- Is purple fire real?
Is Blue fire real?
It may look like a scene from another planet or some high-tech Hollywood special effects – but this volcano venting bright blue flames is a real, rarely-seen phenomenon of nature.
The glowing, electric-blue flames are caused by combustion of sulfuric gases..
Which thing has no shadow?
Transparent objects cannot form a shadow. They are only formed in opaque or translucent objects. If we take a glass slab, no shadow is formed because it allows light to pass through it.
What is the coldest fire?
n-butyl acetateThe lowest recorded cool flame temperatures are between 200 and 300°C; the Wikipedia page references n-butyl acetate as 225°C. You can read a lot more about cool flames on that page.
How is Black Fire made?
When you mix a sodium street light or low-pressure sodium lamp with a flame, you’ll see a dark flame thanks to the sodium and some excited electrons. “It’s strange to think of a flame as dark because as we know flames give out light, but the sodium is absorbing the light from the lamp.
Can black fire exist?
For real: If you shine a low-pressure sodium lamp on a yellow sodium flame, the flame will be black. Flames emits light and heat, so it seems impossible to make black fire. However, you actually can make black fire by controlling the wavelengths of absorbed and emitted light.
What happens if a virgin lights a black flame candle?
The Black Flame Candle is a dark magical candle made from the fat of a hanged man. If lit by a virgin on Halloween night during a full moon, it would raise the spirits of the dead for as long as the flame burned (which was one night).
Is purple fire stronger than blue fire?
As things heat up and combustion becomes more complete, flames turn from red to orange, yellow and blue. And purple color is combination of red & blue color it means that blue fire is more hotter than purple fire. … At hotter temperatures, the flame color moves into the blue-violet end of the visible spectrum.
Why our shadow is black?
a shadow is caused by an object blocking light so that it does not reach a surface. The area in shadow appears black because there is no light falling on it—-it appears dark. In fact most shadows are not totally black because light usually bounces around the obstruction off other objects.
Are black flames the hottest?
The color of a fire can change based on what is burning. If you found a chemical or element that burned with a very dark flame (though very likely not ever black), you could have a flame that was quite dark. In this case, the flame would not necessarily be any hotter or cooler than any other.
What is the hottest fire color?
blueWhile blue represents cooler colors to most, it is the opposite in fires, meaning they are the hottest flames. When all flame colors combine, the color is white-blue which is the hottest. Most fires are the result of a chemical reaction between a fuel and oxygen called combustion.
Who Found shadow?
The sun was so directly overhead that the light would shine straight down to the bottom of a well. Eratosthenes did his own experiments in Alexandria and found that on the same day, at the same time, there were shadows. The sun shone straight down on Syene, but Alexandria was at an angle. Curious!
What is the coldest color of fire?
The colder part of a diffusion (incomplete combustion) flame will be red, transitioning to orange, yellow, and white as the temperature increases as evidenced by changes in the black-body radiation spectrum. For a given flame’s region, the closer to white on this scale, the hotter that section of the flame is.
What does Black smoke mean?
Thick, black smoke indicates heavy fuels that are not being fully consumed. At times, black smoke can be an indicator that a manmade material is burning such as tires, vehicles or a structure. As a general rule, the darker the smoke, the more volatile the fire is.
Can soot kill you?
Soot particles are so tiny that they bypass our natural ability to expel larger particles with a cough or sneeze. When soot particles are inhaled, they lodge deep in the lungs and enter the bloodstream, leading to heart attacks, cancer and even death.
Do black flame candles exist?
Much like the glow of a black light, black flame candles possess an eerie blue-cast glow. … Stir in the black lamp oil and the blue candle pigment.
Can fire burn white?
You can make fire burn with a pure white flame. White is an elusive fire color because the fuel that supports a flame burns with its own characteristic spectrum. But, with a little chemistry know-how, you can get white fire. Here’s how to do it, along with tips to make the fire last.
What burns purple in a fire?
Potassium chloride: Makes a purple flame. Magnesium sulfate: Makes a white flame. Strontium chloride: Makes a red flame. Copper chloride: Makes a blue flame.
Is light faster than darkness?
Most of us already know that darkness is the absence of light, and that light travels at the fastest speed possible for a physical object. … In this respect, darkness has the same speed as light.
Is it ever too cold for fire?
The heat from the flame vaporizes the fuel which then mixes with the oxidizer and burns. For some fuels if the temperature is low enough, not enough will vaporize to sustain the fire and it will go out. Extreme cold would perform the same action. …
Is black fire dangerous?
If it goes untreated or improperly cleaned, tiny particles of soot can be inhaled deep into the lungs. These toxic particles can cause breathing issues, including aggravated asthma, bronchitis and more severe respiratory illnesses that can restrict your ability to carry out normal activities.
Is purple fire real?
Purple flames come from metal salts, such as potassium and rubidium. … Purple is unusual because it’s not a color of the spectrum. Purple and magenta result from a mixture of blue light and red light. For this project, the fire color comes from the emission spectra of safe chemicals.