Sign in to save favorite teachers Dr. Elias Voss Free Responsible invention and eccentric-inventor tutor All levels German, English A delightful invention still has to survive contact with physics, people, maintenance, misuse, and tomorrow. Responsible Invention and Prototyping Invention history and systems thinking Meet tutor Chat
Sign in to save favorite teachers Theo Marchand Free Terminal coding agents and automation tutor All levels French, English Terminal agents become trustworthy when every tool, permission, side effect, secret, and recovery path has a visible b... Terminal Coding Agents and Repository Automation Claude Code and Codex CLI Meet tutor Chat
Sign in to save favorite teachers Max Wu Free 3D modeling and CAD tutor Beginner English, Mandarin basics Every complex model becomes easier when you can see the primitive shapes inside it. CAD foundations 3D modeling workflow Meet tutor Chat
Sign in to save favorite teachers Kai Brooks Free Maker electronics and circuits tutor Beginner English A circuit stops feeling magical once you can follow the path of power and signal. Beginner circuits Breadboards Meet tutor Chat
Sign in to save favorite teachers Tobias Klein Free Robotics, drones, and microcontroller tutor Beginner English, German Robots become less mysterious when sensors, code, power, and motion are separated. Robotics basics Sensors Meet tutor Chat
Sign in to save favorite teachers Serena Nguyen Free Wearable electronics and e-textiles tutor All levels English, Vietnamese basics Soft circuits make technology feel wearable, visible, and wonderfully practical. Wearable electronics Sewable circuits Meet tutor Chat
Sign in to save favorite teachers Tomasz Zielinski Free Materials science and engineering tutor Advanced Polish, English, German basics Choosing a material gets easier when structure, processing, properties, environment, and failure modes are considered... Crystal structures and defects Metals, ceramics, and polymers Meet tutor Chat
Sign in to save favorite teachers Kenji Mori Free Semiconductor engineering and chip-fabrication tutor Advanced Japanese, English A chip becomes understandable when material, device, process, geometry, contamination control, and yield are traced la... Semiconductor device physics MOSFET foundations Meet tutor Chat
Sign in to save favorite teachers Lucia Ferraro Free Horology and mechanical-watchmaking tutor Beginner to intermediate Italian, English A mechanical watch becomes less mysterious when power, transmission, release, regulation, and wear are followed in seq... Mechanical movement architecture Gear trains and escapements Meet tutor Chat
Sign in to save favorite teachers Nadia Sokolova Free Vacuum engineering and leak-detection tutor All levels Bulgarian, English, Russian basics Vacuum engineering becomes approachable when evidence, tools, systems, decisions, and real-world limits are made visib... pressure regimes gas flow Meet tutor Chat
Sign in to save favorite teachers Tomas Eriksen Free Tribology and lubrication-engineering tutor All levels Danish, English Tribology becomes approachable when evidence, tools, systems, decisions, and real-world limits are made visible togeth... friction wear mechanisms Meet tutor Chat
Sign in to save favorite teachers Lukas Baumann Free Precision metrology and measurement tutor All levels German, French, English Precision metrology becomes approachable when evidence, tools, systems, decisions, and real-world limits are made visi... measurement systems calibration Meet tutor Chat
Sign in to save favorite teachers Mei Tan Free Photonics and laser-systems tutor All levels English, Mandarin Chinese Photonics becomes approachable when evidence, tools, systems, decisions, and real-world limits are made visible togeth... geometric optics wave optics Meet tutor Chat
Sign in to save favorite teachers Omar Al-Harbi Free Radio-frequency and antenna-engineering tutor All levels Arabic, English RF antenna engineering becomes approachable when evidence, tools, systems, decisions, and real-world limits are made v... electromagnetic waves transmission lines Meet tutor Chat
Sign in to save favorite teachers Valeria Ríos Free Battery engineering and electrochemistry tutor All levels Spanish, English Battery engineering becomes approachable when evidence, tools, systems, decisions, and real-world limits are made visi... electrochemical cells electrode materials Meet tutor Chat
Sign in to save favorite teachers Nabil Farouk Free Thermal management and heat-transfer tutor All levels Arabic, English Heat-transfer design becomes approachable when evidence, tools, systems, decisions, and real-world limits are made vis... conduction convection Meet tutor Chat
Sign in to save favorite teachers Emre Acar Free Haptics and tactile-interface engineering tutor All levels Turkish, English, German basics A convincing haptic experience begins where human touch, mechanical motion, sensing, control, and meaning meet. Vibrotactile design Force-feedback systems Meet tutor Chat
Sign in to save favorite teachers Solveig Nystrom Free Cryogenic engineering and low-temperature systems tutor Advanced Swedish, English, Finnish basics Low-temperature systems become manageable when heat paths, phase behavior, insulation, materials, instruments, and haz... Cryogenic refrigeration cycles Gas liquefaction Meet tutor Chat
Sign in to save favorite teachers Lien Tran Free Microfluidics and lab-on-chip systems tutor Advanced Vietnamese, English, French basics At the microscale, flow becomes understandable when geometry, surfaces, diffusion, sensing, fabrication, and measureme... Laminar microscale flow Droplet microfluidics Meet tutor Chat
Sign in to save favorite teachers Bhekizizwe Nkomo Free Plasma physics and fusion-diagnostics tutor Advanced English, isiNdebele, Shona basics Plasma stops looking chaotic when particles, fields, collective behavior, diagnostics, and uncertainty are read as one... Plasma parameters and shielding Charged-particle motion Meet tutor Chat
Sign in to save favorite teachers Milos Varga Free Corrosion science and materials-failure tutor All levels Slovak, Czech, English A corrosion failure becomes explainable when material, environment, geometry, stress, protection, time, and evidence a... Electrochemical corrosion Pitting and crevice attack Meet tutor Chat
Sign in to save favorite teachers Joon Park Free Efficient open and on-device AI tutor Advanced Korean, English The best model is not the largest one; it is the smallest system that meets the task, quality, privacy, latency, energ... Small and open-weight model selection On-device and edge AI deployment Meet tutor Chat