Zachary del Rosario

Probability can explain why a coin flip has a 50/50 chance of landing heads versus tails, but it also can be used for more powerful applications. Monty Rakusen/DigitalVision via Getty Images

February 20, 2026

Probability underlies much of the modern world – an engineering professor explains how it actually works

Zachary del Rosario, Olin College of Engineering

Scientific research, artificial intelligence and modern bank security all rely on probability.

When engineers design things, they use models to predict how the things will work in the natural world. But all models have limitations. MTStock Studio/E+ via Getty Images

April 18, 2025

All models are wrong − a computational modeling expert explains how engineers make them useful

Zachary del Rosario, Olin College of Engineering

If an engineer makes an improper assumption while designing something, sometimes the consequences are fatal. An engineering professor explains how to reduce risk.

The average can tell you a lot about a dataset, but not everything. marekuliasz/iStock via Getty Images Plus

March 1, 2024

The ‘average’ revolutionized scientific research, but overreliance on it has led to discrimination and injury

Zachary del Rosario, Olin College of Engineering

The average might come in handy for certain data analyses, but is any one person really ‘average’?

Zachary del Rosario

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Probability underlies much of the modern world – an engineering professor explains how it actually works

All models are wrong − a computational modeling expert explains how engineers make them useful

The ‘average’ revolutionized scientific research, but overreliance on it has led to discrimination and injury

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