How could light enter the tesseract in movie interstellar?

A Book on the Observer Effect of quantum Physics.

The Synchronisation Effect.

The Book On Quantum Observer Effect.

The Increasing entropy doesn't explain the motion of time.

The Next Level Observer Effect Book: Taking Observer Effect to the Deeper Level Of Application.

The choice wasn't only made during the Big Bang.

This will change the way you look at this universe.

An Interesting thing about gravitational waves.

Why are we the only observers in this universe?

What happens when you travel faster than speed of light (hypothetically)?

The Bizzare Nature of Light as a wave.

How does sun's temperature adds to it's gravity?