📡 3. SCUBA: Sidelink Communications on Unlicensed Bands (Telecommunications)

Aggregation tree architectures routing queries to leaf nodes.

Real-time analysis, ad-hoc queries, and the mechanics of massive distributed, in-memory databases.

💾 2. Scuba: Diving into Data at Facebook (Computer Science)

Dive computer algorithms, decompression sickness prevention, or the history of inert gas absorption models.

Coexistence of secondary radio access technologies with legacy cellular protocols using existing hardware.

Here are the four most prominent academic and technical subjects referred to as SCUBA:

Gradients of nitrogen tissue loading over bottom time.