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Wireless power (not ethernet over power).

Teleporting.

Alternative fuel.

superconductors.

Micro level experimentation for macro level process phenomenons.

universal quanta energy.

You could also approach through big philosophical questions:

Why should a universe exist at all?

What is the universe expanding into?

What's on the other end of a black hole?

And so on. These types of questions can lead to their own seminar topics as well.

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14y ago

What else can I help you with?