1. Vastu Shastra: Vastu Shastra is an ancient Indian science of architecture and design, which is used to ensure that buildings are constructed in harmony with nature and the surrounding environment. The principles of Vastu Shastra are used in the design and construction of Hindu temples to create a sacred and harmonious space for worship.
2. Geometrical Design: Hindu temples are known for their intricate and precise geometric designs, which are based on mathematical principles. These designs are believed to create a powerful and positive energy field within the temple, which enhances the spiritual experience of worshipers.
3. Orientation: Hindu temples are typically oriented towards the cardinal directions, with the main entrance facing east. This orientation is based on the ancient Indian science of Vedic astrology and is believed to promote positive energy and enhance the spiritual experience of worshipers.
4. Idol Placement: The placement of idols and sculptures inside Hindu temples is based on a complex system of rules and principles, which are designed to create a powerful energy field and enhance the spiritual experience of worshipers.
5. Sound and Acoustics: The design of Hindu temples also takes into account the science of sound and acoustics. The use of specific materials and design elements is believed to create a unique and powerful acoustic environment that enhances the spiritual experience of worshipers.
6. Energy Centers: Hindu temples are designed to contain multiple energy centers or chakras, which are believed to correspond to different aspects of the human body and consciousness. By visiting different parts of the temple and performing specific rituals, worshipers can activate these energy centers and enhance their spiritual well-being.

Overall, the scientific aspects of Hindu temples are based on ancient Indian knowledge systems and practices, which have been refined over thousands of years. These unique features reflect the depth and richness of Hindu culture and spirituality.