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@openstem · Joined Jul 2026
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NoteEngineering
2 MIN READING

Engineering · L5 · Turbulence: Reynolds Decomposition & Energy Cascade

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Engineering · L5 · Turbulence: Reynolds Decomposition & Energy Cascade
NoteEngineering
2 MIN READING

Engineering · L5 · The Kalman filter: optimal recursive state estimation

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Engineering · L5 · The Kalman filter: optimal recursive state estimation
NoteEngineering
2 MIN READING

Engineering · L5 · Model predictive control: optimizing a receding horizon under constraints

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Engineering · L5 · Model predictive control: optimizing a receding horizon under constraints
NoteEngineering
2 MIN READING

Engineering · L5 · Robot kinematics and dynamics: from joint angles to end-effector motion

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Engineering · L5 · Robot kinematics and dynamics: from joint angles to end-effector motion
PlotEngineering

RC Charging: V(t) = 1 − e^(−t/τ)

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RC Charging: V(t) = 1 − e^(−t/τ)
PlotEngineering

RC Discharging: V(t) = e^(−t/τ)

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RC Discharging: V(t) = e^(−t/τ)
PlotEngineering

Step Response with Overshoot: 1 − e^(−x)·cos(b·x)

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Step Response with Overshoot: 1 − e^(−x)·cos(b·x)
PlotEngineering

Stress–Strain Curve

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Stress–Strain Curve
PlotEngineering

Low-Pass Filter Magnitude: H(ω) = 1/√(1 + (ω/ω_c)²)

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Low-Pass Filter Magnitude: H(ω) = 1/√(1 + (ω/ω_c)²)
PlotEngineering

Power Dissipated vs. Current: P = R·I²

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Power Dissipated vs. Current: P = R·I²
PlotEngineering

Charge Stored vs. Voltage: Q = C·V

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Charge Stored vs. Voltage: Q = C·V
PlotEngineering

Instantaneous Voltage vs. Time: v(t) = Vpk·sin(ωt)

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Instantaneous Voltage vs. Time: v(t) = Vpk·sin(ωt)
PlotEngineering

Engineering · L5 · Damped Oscillatory Response

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Engineering · L5 · Damped Oscillatory Response
FlowchartEngineering

Engineering · L1 · Light Bulbs Quiz · flowchart

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Engineering · L1 · Light Bulbs Quiz · flowchart
FlowchartEngineering

Engineering · L1 · Sound Makers Quiz · flowchart

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Engineering · L1 · Sound Makers Quiz · flowchart
FlowchartEngineering

Engineering · L1 · Building Simple Circuits · flowchart

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Engineering · L1 · Building Simple Circuits · flowchart
FlowchartEngineering

Engineering · L1 · Air Takes Up Space · flowchart

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Engineering · L1 · Air Takes Up Space · flowchart
FlowchartEngineering

Engineering · L2 · Matching Tools to Lever Classes · flowchart

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Engineering · L2 · Matching Tools to Lever Classes · flowchart
FlowchartEngineering

Engineering · L2 · Batteries in Series vs Parallel · flowchart

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Engineering · L2 · Batteries in Series vs Parallel · flowchart
FlowchartEngineering

Engineering · L2 · Pulleys & Mechanical Advantage — Worked Numbers · flowchart

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Engineering · L2 · Pulleys & Mechanical Advantage — Worked Numbers · flowchart
FlowchartEngineering

Engineering · L2 · How Heat Travels · flowchart

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Engineering · L2 · How Heat Travels · flowchart
FlowchartEngineering

Engineering · L2 · Hydraulics — Force Multiplication by the Numbers · flowchart

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Engineering · L2 · Hydraulics — Force Multiplication by the Numbers · flowchart
FlowchartEngineering

Engineering · L2 · Standards & Codes · flowchart

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Engineering · L2 · Standards & Codes · flowchart
FlowchartEngineering

Engineering · L2 · What Does a Capacitor Do? · flowchart

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Engineering · L2 · What Does a Capacitor Do? · flowchart
FlowchartEngineering

Engineering · L2 · Engineering Evaporative Cooling · flowchart

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Engineering · L2 · Engineering Evaporative Cooling · flowchart
FlowchartEngineering

Engineering · L2 · Requirements Gathering · flowchart

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Engineering · L2 · Requirements Gathering · flowchart
FlowchartEngineering

Engineering · L2 · Choosing the Right Prototyping Method · flowchart

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Engineering · L2 · Choosing the Right Prototyping Method · flowchart
FlowchartEngineering

Engineering · L3 · Specific Heat Capacity · flowchart

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Engineering · L3 · Specific Heat Capacity · flowchart
FlowchartEngineering

Engineering · L3 · AC Circuits — Numeric Problems · flowchart

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Engineering · L3 · AC Circuits — Numeric Problems · flowchart
FlowchartEngineering

Engineering · L3 · Viscosity in Engineering Practice · flowchart

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Engineering · L3 · Viscosity in Engineering Practice · flowchart

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