Spheromak

Imagine a big ball made out of fire and a magnetic field. This ball is called a spheromak. The fire is created by heating up gas until it becomes so hot that it turns into plasma (the fourth state of matter). The magnetic field helps keep the plasma contained so that it doesn't escape.

The cool thing about a spheromak is that it can be used to create energy. Scientists can use the spheromak to produce a current by putting a device called a coil around it. This current can then be used to power things like lights and computers.

But spheromaks are also really hard to control. Sometimes they can be unstable and blow up, which is not good. So scientists are still trying to figure out how to make them more stable and predictable.

Overall, the spheromak is sort of like a fiery ball that can be harnessed for energy, but it's really complicated and scientists are still trying to figure it out.