Courses from 1000+ universities
Two years after its first major layoff round, Coursera announces another, impacting 10% of its workforce.
600 Free Google Certifications
Graphic Design
Data Analysis
Digital Marketing
El rol de la digitalización en la transición energética
First Step Korean
Supporting Successful Learning in Primary School
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore electron beam lithography using a scanning electron microscope. Learn about substrates, resists, development, and factors affecting image quality. Discover applications and future possibilities in nanoscale fabrication.
Explore DIY laser lithography for microfabrication, including techniques, equipment, and results. Learn about maskless photolithography and its applications in creating intricate patterns at micron resolution.
Learn to create DIY lenses using epoxy and replication molding. Explore techniques, materials, and challenges in achieving optical-quality finishes, with insights on overcoming common issues.
Explore low-temperature sintering of silicon carbide, examining its feasibility, process, and potential implications through experimental analysis and critical evaluation of research claims.
Explore Atomic Force Microscopy principles, DIY macro-AFM construction, and real-world AFM scanning techniques. Learn about cantilever displacement, MEMs scanners, and various material scans.
Learn to build a DIY scanning laser microscope using 3D printing and open-source components. Explore confocal microscopy principles, optical setup, and data processing for 3D surface topology imaging.
Exploring aluminum machining on Avid CNC Benchtop Pro, featuring end mill testing, chatter analysis, and puzzle cutting attempts to optimize performance and reduce vibration.
Detailed guide on building a TBot cartesian motion platform, covering machining, assembly, and troubleshooting. Includes advanced techniques like threadmilling and isogrid creation.
Explore injection molding for acrylic lenses, from machining the mold to analyzing stress concentrations using polarized light and birefringence. Learn about equipment, theory, and practical application.
Explore the evolution of spacecraft thermal protection, comparing NASA's pioneering designs with SpaceX's innovative approach. Uncover the similarities, differences, and advancements in heat shield technology for space exploration.
Explore the creation of photosensitive pixels using copper oxide in this fascinating experiment, delving into semiconductor physics and advanced microscopy techniques.
Explore the journey of replicating 30 years of lithography technology advancements, from assembly challenges to breakthroughs, in this engaging and informative video on semiconductor manufacturing.
Explore diamond-based optical mirror creation techniques, focusing on precision cutting methods and applications in quantum optics and advanced scientific instruments.
Get personalized course recommendations, track subjects and courses with reminders, and more.