Is the universe analog or digital?
The universe is analog. period.
Is the universe digital?
Digital physics is both. It suggests that those strange and insubstantial quantum wavicles, along with everything else in the universe, are themselves made of nothing but 1s and 0s. The physical world itself is digital.
What is past the universe?
Astronomers think space outside of the observable universe might be an infinite expanse of what we see in the cosmos around us, distributed pretty much the same as it is in the observable universe. After all, it doesn’t make sense that one section of the universe would be different than what we see around us.
Is there an end to the universe?
The end result is unknown; a simple estimation would have all the matter and space-time in the universe collapse into a dimensionless singularity back into how the universe started with the Big Bang, but at these scales unknown quantum effects need to be considered (see Quantum gravity).
Is there noise on the moon?
Astronauts onboard Apollo 10 say they heard mysterious “music” on the far side of the Moon. They didn’t know if they were hearing things and were left wondering if music really was coming from behind the Moon. The answer is – sort of – but not really.
Why is sound not heard in space?
Sound does not travel at all in space. The vacuum of outer space has essentially zero air. Because sound is just vibrating air, space has no air to vibrate and therefore no sound. If you are sitting in a space ship and another space ship explodes, you would hear nothing.
Is there energy in vacuum?
The vacuum energy is a special case of zero-point energy that relates to the quantum vacuum. Using the upper limit of the cosmological constant, the vacuum energy of free space has been estimated to be 10−9 joules (10−2 ergs) per cubic meter.
Why is the universe flat?
In a universe with zero curvature, the local geometry is flat. With dark energy, the expansion rate of the universe initially slows down, due to the effect of gravity, but eventually increases. The ultimate fate of the universe is the same as that of an open universe. A flat universe can have zero total energy.
Will we ever travel faster than light?
Albert Einstein’s special theory of relativity famously dictates that no known object can travel faster than the speed of light in vacuum, which is 299,792 km/s. This speed limit makes it unlikely that humans will ever be able to send spacecraft to explore beyond our local area of the Milky Way.