We love hearing from readers of our website. Please adhere to a few simple rules.
- Be respectful.
- When challenging our ideas, use physics concepts to illustrate your thoughts as necessary.
- Submitted questions and/or comments may be included in the Questions and Answers webpage if we believe the content will be helpful for others. Items selected to be included in the Q&A webpage will only carry the person’s first name and first initial of their surname plus a date.
- A person’s information, e.g., their email address, will not be shared with other organizations.

David Anderson is a physicist, private pilot, and co-author of Understanding Flight.
Scott Snider is a Certificated Flight Instructor (CFI).