Why Photonic?

‘coz it looks like the sphere below:-

Fusion powered Photonic Memory Core - Vox registration NY-114. The Time Machine (2002 film).

Fusion powered Photonic Memory Core.

The sphere features in the 2002 remake of H.G. Wells’ The Time Machine. And it utilises photons for most of the entropy creation. We’re currently trying to figure out how to power ours too with a fusion reactor, but are having difficulty sourcing the appropriate insulation tape…