Sentences with phrase «different vacuum energy»

Not exact matches

Dodelson: Again referring to this dark energy today, there are two possibilities that lead to optimistic branches and one is that dark energy today may not be vacuum energy, it may be something completely different; and a good piece of evidence for that is that inflation itself require [s] dark energy, so it kind of make sense to think, [«Well, we had some early [epoch] of dark energy which is something [we're trying to] figure out, maybe [today] there is also [a] new type of dark energy we are trying to figure out and it is not vacuum energy, so that would lead to a less pessimistic future.

«If the vacuum has different states,» Hossenfelder says, «then you can transfer information into the radiation without having to put any kind of energy at the horizon.

Re 244 Iskandar — as stated several times in several different ways, the gist is this: Yes, space is not a complete vacuum and mass can flow in or out of the atmosphere, carrying energy.

I'm guessing that Musk's Hyperloop will be different (I'm guessing Musk's thing will use tubes that have very low air pressure - too hard to get a complete vacuum, but the less air, the less friction - and use maglev - like ways to accelerate and decelerate, which means as a bonus that you can recover a lot of energy when you decelerate), but we'll see soon enough.