Caltech's Information Science and Technology (IST) initiative integrates computation and information sciences to transform fields across the institute, from physics and biology to economics and social sciences.

Mechanical Engineering is the most popular area of engineering specialization among Caltech students, followed by Electrical, Chemical, and Biological and Biomedical Engineering.

With research operations encompassing astronomy, jet propulsion, and seismic engineering, Caltech offers a great destination for physics majors, with courses on wave theory, quantum mechanics, statistical mechanics, and particle physics, among others.

Caltech's bioengineering research applies engineering principles to analyze, design, and manipulate biological systems while also drawing inspiration from their properties.

Caltech's EE program covers both physical and mathematical fundamentals while embracing the field's multidisciplinary nature. Students explore theoretical and experimental research across diverse subjects.

Caltech's Applied and Computational Mathematics (ACM) undergraduate program provides rigorous training in computational and applied math while fostering research in fields like fluid mechanics, materials science, engineering, image processing, and mathematical finance.