Ship materials construction. Anti-gravity technologies. Tesseracts. Shadows looking into other dimensions.
Superdimensionality. Imagining alien understanding of maths and physics. Different perspectives forcing different approaches. The physics of alien arrivals.
The strong version of the Sapir-Whorf hypothesis is not backed by good evidence. Superdimensional alien languages. Gaining new perspective into the reality of the universe.
Military secret-keeping. General Whitaker’s Morpheus operandi: “I cannot tell you what the matrix is. I have to show you.”