Key Themes and Ideas:

The Ashvins as Scientists and Technologists: The hymn repeatedly refers to the Ashvins with terms like "scientist and technologist" (1), "eminent scholars and aeronauts" (2), "scholars dedicated to truth and humanity" (5), "experts of velocity and motion" (6), "leading teacher and scholar of herbal science" (7), "scholars of heat and energy" (8), "high-priests of nature and truth" (9), "masters of medicine and psychiatrists" (10), and "Leaders of knowledge and secrets of nature" (11). This highlights a central theme: the Ashvins possess profound knowledge and the ability to apply it for practical benefit.

Quote: "Just as the priest selects and plucks sacred grass and spreads it over and around the vedi in celebration, and just as the winds move the vapour laden cloud across the sky, so do I select words of appreciation for the Ashvins, scientist and technologist, sincere and true..." (1)
Quote: "Ashvins, eminent scholars and aeronauts, the power applied, controlled and directed in your chariot would win victories in a thousand battles of wealth against the deadly enemy." (2)

Most Important Ideas/Facts:

The Ashvins are not just mythical figures but are depicted as possessing tangible skills and knowledge, particularly in science, technology, medicine, and aeronautics. This interpretation is consistently supported by the repeated use of terms related to these fields and the description of their actions.
Their primary function is benevolent intervention to rescue, heal, and uplift those in distress or need. This includes physical rescue, healing from illness or aging, and recovery from psychological or spiritual despair.
They are associated with advanced (possibly metaphorical) technology, enabling rapid travel and overcoming physical barriers like oceans and mountains. The flying chariots, waterproof boats, and water management systems are key examples.
Their actions are rooted in "truth and reality," suggesting their benevolence is based on reliable knowledge and just principles.
The hymn highlights the transformative power of the Ashvins, not only in physical terms but also in restoring sight, health, and even moral clarity.
The final verses express the devotee's hope for a long, fulfilling life blessed by the Ashvins, culminating in a peaceful retirement like the setting sun.

Conclusion:

Rigveda Mandala 1, Sukta 116 presents the Ashvins as powerful and benevolent deities with remarkable knowledge and abilities. They are celebrated for their scientific understanding, technological prowess, healing powers, and unwavering commitment to rescuing and assisting humanity. The hymn serves as both a catalogue of their miraculous deeds and a prayer for their continued blessings, emphasizing their role as guardians of truth and providers of prosperity and well-being. The detailed descriptions of their interventions and capabilities offer a rich insight into the perceived powers and attributes of these important Vedic deities.