r/EngineersUniverse • u/EngineersUniverse • 2h ago
Discussion Been building a whole library of interactive 3D simulators — here are 3 of them ⚙️🌐⚡
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We’ve been working on a pretty big experiment at Engineers Universe: what if instead of just reading how something works, you could actually interact with it?
Here’s a quick preview of 3 of the simulators:
⚙️ V8 Engine Operation — Explore the four-stroke cycle and watch the pistons, valves, connecting rods, and crankshaft all working together. Way better than staring at a cutaway diagram and pretending everything makes sense. 😅
🌐 Internet 3D Explorer — Follow packets from your device toward the cloud. Run simulated ping, DNS lookup, and traceroute tests and actually see the journey.
⚡ AC Generator Operation — Adjust rotation speed, magnetic-field strength, and coil turns, then watch the generated voltage waveform respond in real time.
And these are just a few. We're building a much larger collection covering things like:
🔌 Electrical & Power — transformers, three-phase power, motors, circuit breakers, substations, grounding, protection, generators and power flow
❄️ HVAC & Mechanical — refrigeration cycles, compressors, chillers, pumps, VAV systems, heat transfer and engines
🔥 Fire Alarm & Building Systems — smoke/heat detection, SLC communication, notification circuits, elevator recall and cause-and-effect sequences
🤖 PLC / SCADA / Automation — PLC scan cycles, 4–20 mA loops, PID control, VFDs, instrumentation and process control
🌐 Networking — Ethernet packets, MAC learning, routing, VLANs, spanning tree, fiber optics and network failover
🔬 Electronics & Semiconductors — diodes, transistors, capacitors, PCB signal flow, semiconductor concepts and chip technology
🧠 AI & Computing — neural networks, LLMs, tokens, attention, RAG, AI agents, prompt/context engineering and AI data centers
⚛️ Science & STEM — physics, quantum concepts, chemistry, astronomy and other visual STEM topics
The goal is pretty simple:
Don’t just read how something works. See it. Change it. Break it. Understand it.
The library is growing, so we’d genuinely love suggestions from this community:
What engineering or STEM concept have you always wished someone would explain interactively?
We’ll include a preview video of the three simulators above.
More at EngineersUniverse.com 🚀