ADR for sidecar vs eBPF service mesh in 2026 — context, options (Istio Ambient, Cilium Mesh, Linkerd2), trade-offs, consequences, and the decision criteria we settled on.
Production Backstage 1.30 IDP setup — software catalog, scaffolder templates, TechDocs, auth plugins, and a working docker-compose stack with PostgreSQL and Kubernetes ingestion.
Limit order book reconstruction from NASDAQ ITCH feeds — message types, snapshot vs delta, lock-free L3 book in C++/Rust, and a 2026 reference architecture.
The 2026 hyperscaler capex wars — Microsoft, Amazon, Google, Meta, Oracle spending breakdowns, GPU vs ASIC strategies, power constraints, and the new cloud unit economics.
Geometric deep learning for materials discovery in 2026 — GNoME, MatterGen, equivariant GNNs, the inverse design problem, and where ML-driven materials science actually ships.
How atomic clocks actually work — cesium hyperfine transitions, optical lattice clocks, what makes them so accurate, and why GPS and the internet depend on them.
WebAssembly at the edge with WASI Preview 3 — async, components, capability-based security, and a 2026 reference architecture for sub-millisecond cold-starts on IoT gateways.
GitOps for industrial fleets in 2026 — ArgoCD vs Flux step-by-step, ApplicationSets for thousands of edges, sync waves, and how to handle disconnected sites and rollbacks.
MQTT 5.0 features that actually move the needle — shared subscriptions, topic aliases, flow control, user properties, reason codes, and the 2026 production patterns to use them.
Digital twin standards in 2026 — ISO 23247, ISO/IEC 30173, the Digital Twin Consortium reference, ISA-95 mappings, and how to pick the right standard for your domain.