Modern STEM-Themed Logo Design

I'm seeking a modern, STEM-themed logo for my website. The company is called NEXiST - Next-Generation Exploration in Science and Technology. The company is a learning centre/ online educational platform. The design should be sleek and contemporary, incorporating elements that reflect science, technology, engineering, and mathematics. Ideal skills and experience include:

- Expertise in modern logo design
- Strong understanding of STEM themes
- Proficiency in color theory and application, particularly with bold colors
- Experience creating logos optimized for website use

Please provide a portfolio showcasing relevant work.