Negative Mass: Does it Impact Spacetime & Gravity?

In summary, negative mass has the opposite effect on spacetime as positive mass does with respect to gravity. This was demonstrated in a recent experiment with negative mass fluid, where objects pushed with negative mass accelerated towards the pusher. This seems to suggest that negative mass would allow for faster-than-light travel, which goes against the law that massless things must travel at the speed of light and massive things must travel slower. It is also worth noting that negative mass is often equated with negative energy.
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nitsuj
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Does negative mass have the same affect on spacetime as "positive?" mass with respect to gravity?

Just read a BBC article that says peeps are playing with negative mass fluid...guy says "With negative mass, if you push something, it accelerates toward you," uh what?

Also with the "law" that massless things must go c, massive things less than c...I can't help but intuit a negative mass would mean must go ftl.

Also, when reading negative mass can I take that to be the same as negative energy?
 
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1. What is negative mass?

Negative mass is a hypothetical concept that refers to a type of matter that has negative gravitational mass. This means that it would repel other objects with positive mass rather than attract them.

2. How is negative mass different from regular mass?

Negative mass is fundamentally different from regular mass because it would have a repulsive effect on other objects rather than an attractive one. This is in contrast to regular mass, which follows the laws of gravity and attracts other objects.

3. Does negative mass really exist?

At this point in time, there is no evidence to suggest that negative mass actually exists. It is a theoretical concept that has been explored in the field of physics, but it has not been observed or proven to exist in nature.

4. How would negative mass impact spacetime?

If negative mass were to exist, it would have a significant impact on the fabric of spacetime. It would cause distortions and disruptions in the curvature of spacetime, potentially leading to phenomena such as time travel and wormholes.

5. Can negative mass explain dark matter and dark energy?

Some scientists have theorized that negative mass could potentially explain the effects of dark matter and dark energy, which are two mysterious phenomena that make up a large portion of the universe. However, this is still a topic of debate and further research is needed to fully understand the nature of dark matter and dark energy.

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