How Steel Is Made: Electric Arc Furnace vs Basic Oxygen Process
Over 1.8 billion tonnes of steel are produced every year. This episode explains the two main production routes: the blast furnace, aka basic oxygen furnace (BOF) route using iron ore, and the electric...
28 Marras 202413min
From Ore to Metal: The Full Steel and Iron Production Process Explained
Every metal starts as ore, but transforming rock into a usable metal requires overcoming thermodynamic and kinetic barriers. This episode covers ironmaking in the blast furnace, reduction chemistry, s...
27 Marras 202425min
Metallic Materials 101: Aluminum Cans, Turbine Blades & Tantalum Capacitors
What makes metals so useful and so diverse? This introductory episode on metallic materials uses three real-world case studies to explore the relationship between processing, microstructure, and prope...
26 Marras 202420min
Metallographic Sample Preparation: Polishing, Etching & Microscopy Analysis
Good microscopy starts with good sample preparation. This episode walks through the complete metallographic workflow: sectioning, mounting, grinding with successive SiC papers, mechanical and electrol...
25 Marras 202417min
How Fuel Cells Work: Materials, Electrochemistry & Clean Energy Applications
Fuel cells convert chemical energy directly into electricity. No combustion, no moving parts, and water as the only by-product. This episode covers the five main fuel cell types (PEMFC, SOFC, MCFC, PA...
24 Marras 202433min
Hydrogen Storage Materials: Methods, Challenges & the Path to Clean Energy
Hydrogen is the perfect clean fuel, but storing it safely and economically is one of engineering's biggest challenges. This episode covers compressed gas, cryogenic liquid, and solid-state hydrogen st...
24 Marras 202418min
Spin Crossover Materials: The Key to Flexible, Transparent Smartphones?
Spin crossover (SCO) materials can switch between two electronic states with a temperature change, light pulse, or pressure, making them leading candidates for molecular switches, sensors, and memory ...
24 Marras 202414min
Thermoelectric Materials: Turning Heat into Electricity and Vice Versa
What if your body heat could charge your phone? Thermoelectric materials convert temperature differences directly into electrical voltage, and vice versa. This episode covers the Seebeck effect, Pelti...
24 Marras 202421min
