Recently watched the lightsaber transformation video well ~ ~
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How can the lightsaber transformation be so hot, its prototype is not the lightsaber in Star Wars! Lightsabers we play:
In this way, the contrast seems that the "lamp tube" has become too low-level! Can we play with a real lightsaber if conditions permit?
What is the difference between a normal lightsaber and a Star Wars sword?
In the video transforming into a lightsaber, most of the lightsabers we see are video effects, and some of them are glow sticks, or fluorescent lights.
Although the fluorescent sword can barely be regarded as a "lightsaber" (its interior emits heat through oxidation reactions, etc., and then the fluorescent material on the wall absorbs energy and emits photons), it is not lethal and is much inferior to the sword in Star Wars. Fluorescent materials are substances that are prone to ionization at low temperatures, so we can at most see that it emits a little bit of light and heat. The sword in Star Wars is not a laser sword, and the official interpretation of it is a mass of plasma, which is bound into the shape of a sword by a strong magnetic field, so it is a "plasma sword".
In fact, it can be seen from the setting in the movie that if the sword in "Star Wars" is an ordinary laser sword, it should be a straight line in the distance of the ray, and the length of the sword body cannot be adjusted arbitrarily. In the case of laser power is not strong, if you want to burn things, you need to continue to illuminate for a period of time, as short as a few seconds, as long as a few minutes, obviously does not meet the Star Wars sword as long as it hits the target of a moment can cause damage, and plasma is to directly transfer energy to the contact object, can cause instant killing.
How mysterious is the plasma sword?
The word plasma sounds unfathomable, but in fact it is just a form of matter in nature, just like solid, liquid, and gaseous, and it is not rare, nor is it necessarily destructive.
For example, the psychedelic and hazy auroras that appear at the north and south poles of the earth, the lightning that only shines in the storm, and the most common plasma, the flame produced when the substance burns. Most of the plasmas we can see are so colorful, but in fact, they are a visual effect presented by charged particles in a free state.
Its formation is due to high temperature, magnetic field or other reasons to cause the electrons in the matter and the nucleus to ionize, so that the formation of a cluster of positively charged ions and negatively charged electrons, but free ions and electrons in this situation is difficult to exist stably, so it can not always be in this mixed state, but constantly ionization and compounding, these processes accompanied by the transition of electronic energy levels, corresponding to the release of a variety of different energy photons, that is, colorful. Most matter is difficult to ionize, and usually atoms are ionized to emit photons. So as long as the plasma is always glowing (but the one that emits light is not necessarily the plasma), the Star Wars Sword is a self-illuminating mass of plasma.
Plasma is also known as supergasten, so the Star Wars sword looks dazzling, but if its power is not high enough to burn the object, it can not directly split things, as a solid substance may easily pass through it.
How lethal is the plasma sword?
The lethality of plasma should belong to "spell" attacks. The energy output is transferred thermally to the object it touches, so the damage caused by the plasma should be a burn-like effect.
The lethality of plasma to external objects depends on the amount of energy it contains or absorbs when it maintains its own state, and plasma such as lightning can instantly scorch the object it hits.
If the plasma is only as weak as the energy of the glowstick, the energy that can be released is very limited, and the power is of course very small. Plasmas are more unstable at low temperatures, so in order to maintain their state, they also need to continuously obtain energy from the outside world.
So if we want to get a powerful lightsaber that can ionize air, we need a hilt or heart that can continuously output energy, such as the Keber Crystal in Star Wars.
In the setting of the story, the Köber Crystal is the ideal raw material for creating a lightsaber, concentrating and releasing the energy of the lightsaber battery into a narrow, blade-like beam.
Can the Star Wars Plasma Sword be made?
In summary, the formation of plasma requires a certain amount of external energy, the conditions for formation are not harsh, it is not difficult to make a lightsaber in principle, but it is not so easy to use the lightsaber as a weapon to attack.
Plasma can emit light, but the stability is worrying, and if you want to maintain a form all the time, you need a very strong magnetic field and electric field to bind, which makes it impossible to hold it in your hand like a sword handle and dance at will. For many years, many Star Wars fans have tried to make Star Wars swords, either the "performance" is not enough, or the appearance is not good, and all of them have failed. Recently, however, the Smith team in the United States has spent five years to create almost the same lightsaber as in Star Wars.
They mixed propane with oxygen, and then ignited it through a laminar nozzle, forming a plasma rocket column of more than two thousand degrees, using high temperatures to cut steel plates, which functioned much like the lightsaber in Star Wars. But this plasma beam lightsaber has an Achilles heel, that is, the lightsaber needs to be connected to a fuel backpack, which is extremely inconvenient to swing.
The manufacture of star wars lightsabers does not have any practical significance, more is the Star Wars powder for love to generate electricity, if you can use plasma into weapons, it is better to change the sword to a gun, the practicality will be stronger.
In fact, plasma is not so difficult to use, people have actually invented many machines that use the properties of plasma. For example, the use of plasma to treat the surface of materials, the use of lasers to induce plasma to generate electricity, the use of plasma guns to smelt metals, etc. Scientists have found in recent years that under the action of low-temperature plasma, the new crown virus will also be quickly inactivated, and this effect may be applied to the treatment of new crown pneumonia and the development of inactivated vaccines in the future.