An undergraduate introduction to air pollution, covering pollutant sources and chemistry, atmospheric transport, health and environmental impacts, measurement methods, regulation, and mitigation technologies.

An undergraduate introduction to how economies produce goods, allocate scarce resources, trade through markets, and use money and banking to coordinate exchange and influence prices.

An undergraduate introduction to probability theory covering sample spaces, events, counting, conditional probability, random variables, distributions, expectation, variance, and common probability laws.

An undergraduate introduction to special relativity, covering Einstein’s postulates, reference frames, Lorentz transformations, simultaneity, time dilation, length contraction, and velocity addition.

An undergraduate introduction to neural networks, covering artificial neurons, weights, activation functions, layers, training with backpropagation, and the advantages of deep models for complex tasks.

An undergraduate introduction to spinning-top mechanics, covering rigid-body rotation, torque, angular momentum, gyroscopic precession, nutation, stability, and energy loss from friction.