Q&A: The science of snowflakes—how hexagonal symmetry and environmental changes create endless designs

In the iconic "Sound of Music" score, "My Favorite Things," a young Julie Andrews lists snowflakes as objects that bring her ...
Interesting Engineering on MSN

Single string pull turns flat designs into 3D structures for modular space habitats

When a user pulls the string, the structure moves smoothly into its final 3D form. If the user releases the string, the ...
Investopedia

Understanding the Hikkake Pattern: Identifying Market Trends

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). Thomas J Catalano is a CFP and Registered Investment Adviser with the state of ...
Investopedia

Understanding Pattern Day Trader (PDT) Rules and Margin Requirements

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...