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Providing that something is "magic" depending on personal background (in example a country-side may look "magic"), if few humans were able to manipulate mind and cause allucinations to someone else, than the person subject to allucinations may as well live a whole life believing to see real magic, so in a certain sense he will "have magic" without even the need to change a physical law.

However, you are asking specifically for a change of a physical law. The fact that we are in practice out of control on nature is basically the "lack of magic". To have magic we need to have control on nature, the simplest thing came to my mind is Entropy, Entropy can only increase:

  • If we have a box with air particles randomly travelling inside the box in practice it never happens that the particles will be ALL on the same side of the box.

If people can be in someway able to control phenomenas that actually look random, we can start getting amazing things! (so give the ability to reduce Entropy.. in some way)

In example, air particles could randomly hit a body only from one side, effectively helping making the body levitate in thin air. Of course we are still respecting energy conservation (after a particle hit the body and the body moves, the particle lose energy and get cooler).

We are currently 4 dimensional beings (at least) because we move forward in time and we have a volume, being able to choose a immediate near future where to live (in example the future where all air particles hit a body from below at same time) may make us 4.1 dimensional beings and could explain the ability to influence our surroundings.

In such a like world the magic would still be limited by other natural laws, and understanding we have of other natural laws gives us more control (we know better immediate futures where we can walk).

A strong mage may know that items have thermal energy, so he can levitate objects that are in void (with the constraint that those objects will become cooler). Freezing someone would be indeed a possible magic in such world.

Of course there will not be any counter magic, every mage simply wins (from his personal point of view), because every mage go in his immediate future. I'm still not sure how that will affect a civilization. There will be a explosion of divergin futures (right now I don't believe our universe would be much "divergin")

Providing that something is "magic" depending on personal background (in example a country-side may look "magic"), if few humans were able to manipulate mind and cause allucinations to someone else, than the person subject to allucinations may as well live a whole life believing to see real magic, so in a certain sense he will "have magic" without even the need to change a physical law.

However, you are asking specifically for a change of a physical law. The fact that we are in practice out of control on nature is basically the "lack of magic". To have magic we need to have control on nature, the simplest thing came to my mind is Entropy, Entropy can only increase:

  • If we have a box with air particles randomly travelling inside the box in practice it never happens that the particles will be ALL on the same side of the box.

If people can be in someway able to control phenomenas that actually look random, we can start getting amazing things! (so give the ability to reduce Entropy.. in some way)

In example, air particles could randomly hit a body only from one side, effectively helping making the body levitate in thin air. Of course we are still respecting energy conservation (after a particle hit the body and the body moves, the particle lose energy and get cooler).

We are currently 4 dimensional beings (at least) because we move forward in time and we have a volume, being able to choose a immediate near future where to live (in example the future where all air particles hit a body from below at same time) may make us 4.1 dimensional beings and could explain the ability to influence our surroundings.

In such a like world the magic would still be limited by other natural laws, and understanding we have of other natural laws gives us more control (we know better immediate futures where we can walk).

A strong mage may know that items have thermal energy, so he can levitate objects that are in void (with the constraint that those objects will become cooler). Freezing someone would be indeed a possible magic in such world.

Of course there will not be any counter magic, every mage simply wins (from his personal point of view), because every mage go in his immediate future. I'm still not sure how that will affect a civilization. There will be a explosion of divergin futures (right now I don't believe our universe would be much "divergin")

Providing that something is "magic" depending on personal background (in example a country-side may look "magic"), if few humans were able to manipulate mind and cause allucinations to someone else, than the person subject to allucinations may as well live a whole life believing to see real magic, so in a certain sense he will "have magic" without even the need to change a physical law.

However, you are asking specifically for a change of a physical law. The fact that we are in practice out of control on nature is basically the "lack of magic". To have magic we need to have control on nature, the simplest thing came to my mind is Entropy, Entropy can only increase:

  • If we have a box with air particles randomly travelling inside the box in practice it never happens that the particles will be ALL on the same side of the box.

If people can be in someway able to control phenomenas that actually look random, we can start getting amazing things! (so give the ability to reduce Entropy.. in some way)

In example, air particles could randomly hit a body only from one side, effectively helping making the body levitate in thin air. Of course we are still respecting energy conservation (after a particle hit the body and the body moves, the particle lose energy and get cooler).

We are currently 4 dimensional beings (at least) because we move forward in time and we have a volume, being able to choose a immediate near future where to live (in example the future where all air particles hit a body from below at same time) may make us 4.1 dimensional beings and could explain the ability to influence our surroundings.

In such world the magic would still be limited by other natural laws, and understanding we have of other natural laws gives us more control (we know better immediate futures where we can walk).

A strong mage may know that items have thermal energy, so he can levitate objects that are in void (with the constraint that those objects will become cooler). Freezing someone would be indeed a possible magic in such world.

Of course there will not be any counter magic, every mage simply wins (from his personal point of view), because every mage go in his immediate future. I'm still not sure how that will affect a civilization. There will be a explosion of divergin futures (right now I don't believe our universe would be much "divergin")

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Providing that something is "magic" depending on personal background (in example a country-side may look "magic"), if few humans were able to manipulate mind and cause allucinations to someone else, than the person subject to allucinations may as well live a whole life believing to see real magic, so in a certain sense he will "have magic" without even the need to change a physical law.

However, you are asking specifically for a change of a physical law. The fact that we are in practice out of control on nature is basically the "lack of magic". To have magic we need to have control on nature, the simplest thing came to my mind is Entropy, Entropy can only increase:

  • If we have a box with air particles randomly travelling inside the box in practice it never happens that the particles will be ALL on the same side of the box.

If people can be in someway able to control phenomenas that actually look random, we can start getting amazing things! (so give the ability to reduce Entropy.. in some way)

In example, air particles could randomly hit a body only from one side, effectively helping making the body levitate in thin air. Of course we are still respecting energy conservation (after a particle hit the body and the body moves, the particle lose energy and get cooler).

We are currently 4 dimensional beings (at least) because we move forward in time and we have a volume, being able to choose a immediate near future where to live (in example the future where all air particles hit a body from below at same time) may make us 4.1 dimensional beings and could explain the ability to influence our surroundings.

In such a like world the magic would still be limited by other natural laws, and understanding we have of other natural laws gives us more control (we know better immediate futures where we can walk).

A strong mage may know that items have thermal energy, so he can levitate objects that are in void (with the constraint that those objects will become cooler). Freezing someone would be indeed a possible magic in such world.

Of course there will not be any counter magic, every mage simply wins (from his personal point of view), because every mage go in his immediate future. I'm still not sure how that will affect a civilization. There will be a explosion of divergin futures (right now I don't believe our universe would be much "divergin")