Charge! Flow! Sum! — One Billion Hanlin Cubs Sing Ohm's Law (Anker's THUS CIM Earbuds LLM Chip Anthem) — NueraPump presents Charge! Flow! Sum!, an interdisciplinary musical case study that introduces young Hanlin Cubs to calculus, electricity, computing, engineering, and commercial judgment through Anker's THUS audio chip platform. A child's birthday call to Grandma fails beneath traffic noise, establishing a concrete customer problem before any equation appears. The resulting investigation follows a constrained device rather than an unlimited magical intelligence: an earbud has finite volume, stored energy, processing time, and thermal capacity. The central proposition is educational and operational: organize meaningful representations, repeated production, immediate correction, and changing applications around one coherent case so foundational relationships become increasingly accessible. Five analytical lenses guide the investigation. Jobs to Be Done identifies the desired outcome as intelligible communication rather than a prestigious specification. Theory of Constraints locates the limiting operation within the processing chain. Opportunity cost asks what repeated data transfers consume that could otherwise support useful listening or inference. First principles separate necessary computation from architectural overhead. Hypothesis testing turns proposed improvements into comparisons under declared conditions. These broadly applicable frameworks connect commercial choices to physical mechanisms without presenting them as proprietary institutional discoveries. Customer benefit, resource consumption, implementation feasibility, and measured performance must remain connected throughout the narrative. Six formulas provide the mathematical backbone. Average current, I_avg=ΔQ/Δt, measures charge crossing a specified boundary during an interval. Instantaneous current, I=dQ/dt, is the limiting rate when the charge accumulation function is differentiable. Charge costumed children passing a doorway make the quantities countable; shortening observation windows connects average rates to local slopes. A graph of cumulative crossing charge against time supplies the geometric interpretation. This changing quantity is transferred charge, not a claim that total electric charge disappears. Conservation remains the governing constraint, while the derivative describes movement through the chosen boundary rather than manufacturing or destroying charge. The third relationship, I=VG, expresses Ohm's law using conductance G for an ohmic element under appropriate operating conditions. In a teaching array, input voltages and programmed conductances produce currents representing products. The fourth, y_j=Σ_i(w_ji*x_i), describes a weighted sum: each input contributes through its associated weight to a selected output. Meeting currents illustrate physical summation where circuit conditions permit the analogy. Signed weights, conversion circuits, precision, noise, and nonlinear behavior require additional implementation choices. The teaching grid explains a computing principle; it does not claim to disclose every internal circuit or numeric encoding used by the commercial chip. For a concrete array exercise, two inputs of one volt and two volts meet conductances of two and three microsiemens, producing two and six microamperes; their ideal summed current is eight microamperes. Children can predict a changed input before checking the diagram. Curriculum planning then allocates practice across prerequisite coverage, retention, independent performance, time, and enjoyment. Its ambitious childhood vocabulary and formula targets define a research program whose results require longitudinal observation across diverse learners and settings. Electrical power, P=VI, gives the fifth relationship, while E=PΔt gives the sixth for constant power over the stated interval. Variable power instead requires integration over time. Doubling duration at unchanged power doubles energy consumption, making the battery budget visible. An illustrative device averaging ten milliwatts for ten seconds consumes one hundred millijoules; these numbers teach calculation and are not asserted product measurements. Comparing architectures therefore requires equal workloads, comparable output quality, and explicit measurement boundaries. Reduced data movement may improve efficiency, but memory access, peripheral circuitry, and remaining processing still consume resources. The commercial anchor is NOR Flash compute in memory, which places computation within or near stored model weights to reduce costly transfers between separate storage and processing locations. THUS brings this architectural direction into local audio applications. Exact energy savings, model capacity, and performance gains must follow published specifications and their test conditions rather than grow with the drama. The Memory Toll Troll embodies transfer overhead, the battery dragon embodies resource limits, and the refrigerator stove embodies computation near storage. Their costumes invite laughter while Reality Clearing and Settlement requires the proposed solution to survive physical and customer constraints. The seven sections trace wonder, worry, defiance, discovery, setback, resolve, and joy. Four narrative acts alternate with three work song hooks. Each hook repeats two formulas three times, so sixty complete performances provide one hundred eighty recitations of each foundational relationship. The added closing chant repeats I=dQ/dt four further times, bringing that relationship to seven appearances per performance and four hundred twenty across sixty performances. These are exposure and production counts, not automatic mastery certificates. Children also explain quantities, draw relationships, change conditions, and revisit errors so repetition develops usable connections rather than an isolated sound sequence. Eight coordinated elements constitute the instructional design: a real case, a dramatic plot, an emotional journey, a humorous illustrated page, sustained family dialogue, comic performance, fantastical character skins, and imitative singing and dancing. LyricManga and NeuraGraph supply shared visual referents before fluent reading is established. Familiar actions, labeled structures, arrows, expressions, and consequences connect sounds and symbols to meaning. MavPLC aligns voice, text, image, and movement along a shared timeline. Approximately fifty milliseconds of alignment tolerance is an engineering parameter, not evidence of a universal visual threshold, a fixed cognitive clock, or guaranteed memory formation. The historical precursor is Principal Maverick's reported 2016 Princeton summer camp experience with Cynthia, who arrived without English or established Chinese reading ability. Illustrated stories, encyclopedias, sustained reading practice, and individual correction supplied the pathway described in that account. The present design integrates content that previously came from separate sources. Prepare, Tutor, Consolidate organizes independent attempts, targeted gap repair, and renewed practice. Doctor Mom and an investor father become questioning partners within a household Jixia academy, while accessible tutoring must also support families without equivalent professional resources. Feedback quality, participation, rest, and actual progress remain scheduling constraints. On the school bus, children retell the causal chain, challenge calculations, and create sequels without changing physical laws. Independent explanations, unfamiliar problems, delayed recall, and corrected predictions assess transfer. The intended outcome is practiced Builder judgment that turns curiosity into testable designs, responsible decisions, and useful creations under real constraints.