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A Simplilearn Certificate Goes on LinkedIn Each Minute; Here’s How Krishna Kumar Built It From a Blog

17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.

Class Central Team Jun 22, 2026

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Real Engineering
The Insane Engineering of the GEnX
2 ratings

Explore the innovative engineering behind the GEnX jet engine, from its advanced materials to its fuel-efficient design, showcasing cutting-edge aerospace technology.
- YouTube
- 29 minutes
- Self-Paced
- Free Video
Mary Greeley Medical Center
Ophthalmology Review
2 ratings

Comprehensive ophthalmology review covering eye exams, emergencies, nerve palsies, referrals, and advancements in cataract surgery and intraocular lenses.
- YouTube
- 43 minutes
- Self-Paced
- Free Video
Thorlabs
Align FiberPorts on a FiberBench - Thorlabs Insights
2 ratings

Comprehensive guide to aligning FiberPorts on a FiberBench, covering pre-alignment, collimation, rough and fine adjustments, and troubleshooting techniques for optimal fiber optic coupling.
- YouTube
- 29 minutes
- Self-Paced
- Free Video
Make With Tech (MakeWithTech)
3D Printing Tips for Beginners and Experts
2 ratings

Comprehensive guide covering essential 3D printing topics, from printer types and filament selection to calibration and maintenance. Ideal for beginners and experienced users seeking practical tips and insights.
- YouTube
- 35 minutes
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- Free Video
TechWorld with Nana
Complete Jenkins Pipeline Tutorial - Jenkinsfile Explained
2 ratings

Comprehensive guide to Jenkins Pipeline, covering Jenkinsfile structure, syntax, and advanced features for efficient CI/CD workflows. Learn to create and optimize build pipelines for your projects.
- YouTube
- 35 minutes
- Self-Paced
- Free Video
Alexander Amini; MIT
Neurosymbolic AI
2 ratings

Explore neurosymbolic AI, combining deep learning and symbolic reasoning to address limitations in current AI systems. Learn about out-of-distribution performance, adversarial examples, and advantages of hybrid approaches.
- YouTube
- 41 minutes
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Shomu's Biology
Molecular Techniques Lecture - Molecular Biology Techniques and Cell Biology Techniques
2 ratings

Comprehensive exploration of molecular and cellular techniques in biology, covering immunology, cytogenetics, DNA sequencing, biotechnology, and more. Ideal for understanding protein and gene functions.
- YouTube
- 13 hours
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Shomu's Biology
Plant Biology
2 ratings

Comprehensive exploration of plant biology, covering evolution, hormones, tissue culture, photosynthesis, and biotechnology, with practical techniques and applications in genetic modification.
- YouTube
- 9 hours
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- Free Video
Bioinformatics Coach
R for Bioinformatics
2 ratings

Learn to convert Ensembl IDs to gene symbols and create heatmaps using R packages like biomaRt and pheatmap, essential skills for bioinformatics data analysis and visualization.
- YouTube
- 30 minutes
- Self-Paced
- Free Video
Federated Learning with Azure Machine Learning
2 ratings

Explore federated learning with Azure ML, enabling collaborative training across organizations while protecting data privacy. Includes a demo of global FL setup using NVIDIA FLare.
- YouTube
- 26 minutes
- Self-Paced
- Free Video
Ninja Nerd
Diuretics
2 ratings

Comprehensive exploration of diuretic medications, covering renal physiology, drug mechanisms, indications, and adverse reactions. Includes practice problems for enhanced understanding of pharmacological concepts.
- YouTube
- 2 hours 36 minutes
- Self-Paced
- Free Video
Teacher's Tech
Create Confidently with Adobe Express - Beginners Tutorial
2 ratings

Learn to create professional graphics, slideshows, and presentations with Adobe Express. Master image editing, video creation, PDF manipulation, and QR code generation in this comprehensive beginner's guide.
- YouTube
- 27 minutes
- Self-Paced
- Free Video
Great Learning
Analytics in Insurance - Predictive Analytics in Insurance - Applications
2 ratings

This tutorial will clear all your doubts that you may have regarding "Analytics in Insurance" including, Why there is a need for Insurance, what are the different types of insurance, challenges faced by them, and much more.
- YouTube
- 2 hours 5 minutes
- Self-Paced
- Free Video
Node JS Tutorial - Crash Course
2 ratings

Comprehensive introduction to Node.js, covering installation, fundamentals, NPM, and modules. Learn how Node.js works and start building server-side applications.
- YouTube
- 1 hour 28 minutes
- Self-Paced
- Free Video
Great Learning
Business Intelligence Tutorial for Beginners - What is Business Intelligence - Applications of BI
2 ratings

Explore how businesses leverage data for informed decision-making, real-time analysis, and industry-specific applications in airlines, retail, and telecom sectors to drive growth and efficiency.
- YouTube
- 57 minutes
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- Free Video

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