Learn Crystal Programming

Master the fundamentals of Crystal programming with Udemy's course. Learn to build applications, understand data types, and explore object-oriented programming in just 3-4 hours.

• Udemy
• 3-4 hours
• On-Demand
• Paid Course

Crystal

Crystal is a compiled language that is currently in the alpha stages of development. These are some of the language's goals: Ruby-inspired syntax. Statically type-checked but without having to specify the type of variables or method arguments.

• Exercism
• On-Demand
• Free Online Course

Derek Banas

Crystal Programming

Learn Crystal programming with Derek Banas in under an hour. Master core language concepts from data types to exception handling, with the ease of Ruby and speed of C.

• YouTube
• 1 hour
• On-Demand
• Free Online Course

Crystal

Master Crystal Language programming in a 3-4 hour online program, including live Shardbox development with author Johannes Müller.

• YouTube
• 3 hours 30 minutes
• On-Demand
• Free Online Course

Learn the Crystal language, a smoother C++, with Ruby-like syntax. Course includes reading, videos, exercises, and projects for hands-on experience.

• Independent
• On-Demand
• Free Online Course

This course is targeted at novice Crystal programmers and conveys a basic understanding of the language's core concepts. Prior programming experience is recommended, but not required. This course can help you learn your first programming language.

• Independent
• On-Demand
• Free Online Course

Crystal programming language is super interesting. I've spent the time checking out Crystal and digging through what is available, and wrote it all down as I learned.

• Independent
• On-Demand
• Free Online Course

Geology: Earth Science for Everyone

2094 ratings at Udemy

This is the ultimate geology crash-course, you'll learn about the magic of Earth's inner workings concisely and easily.

• Udemy
• 2 hours 40 minutes
• On-Demand
• Free Online Course

Nanyang Technological University

Beauty, Form & Function: An Exploration of Symmetry

Explore the role of symmetry in nature, art, architecture, and science in this 8-week course from Nanyang Technological University, featuring insights from various specialists.

• Coursera
• 15 hours
• On-Demand
• Free Online Course (Audit)

Practical Geology

47 ratings at The Great Courses Plus

<p>Learn about the Earth’s history in a rock, a landscape, or a grain of sand from a seasoned field geologist who covers everything from backyard geology to the world’s most spectacular landforms.</p>

• The Great Courses Plus
• 12 hours 36 minutes
• On-Demand
• Free Trial Available

Beads, Baubles & Jewels: What’s Your Color Story?

Learn how the colors we choose, then combine and customize, express a unique artistic statement.

• Craftsy
• 3 days 3 hours 58 minutes
• On-Demand
• $29.00

APS Physics

Topological Defects and Phase Transitions

Explore topological defects and phase transitions in 2D systems with J. Michael Kosterlitz from Brown University, in less than an hour. Dive into the theories that won the 2016 Physics Nobel Prize.

• YouTube
• 31 minutes
• On-Demand
• Conference Talk

Ruby Central

Crystal for Rubyists

Explore the similarities and differences between Ruby and Crystal in this less than 1-hour workshop by Ruby Central. Ideal for Ruby programmers keen to learn Crystal.

• YouTube
• 55 minutes
• On-Demand
• Conference Talk

Bordado de moda con pedrería: crea composiciones y plantillas replicables

Aprende a crear bordados llenos de colores y descubre cómo replicarlos las veces que quieras para dar personalidad a cualquier prenda

• Domestika
• 3 hours 6 minutes
• On-Demand
• Paid Course

IIT Kanpur;  NPTEL

Solid State Chemistry

This course will go over the basics of solid state materials, primarily crystalline solids and describe features and properties of certain specific materials.

• Swayam
• 12 weeks
• Finished
• Free Online Course