Prabhupāda: (break) ...is also known as Magadha. Magadha. That is the... Candragupta and others, they were reigning in Bihar, emperor of India. Jarāsandha also belonged to Bihar. (break) ...a great scientist?
Cyavana: Yes, I studied.
Prabhupāda: How this sand is made?
Cyavana: From the rocks it is... They call it weathering. The weather makes it ground up from the rocks. This is their theory.
Prabhupāda: No.
Puṣṭa Kṛṣṇa: Isn't it shells from the animals?
Cyavana: Some. Some from rocks, coral.
Prabhupāda: It is made from salt. It is called sodium silicate. (laughter)
Cyavana: They say this is combination of shells, coral, and rocks, ground up.
Prabhupāda: No, no.
Puṣṭa Kṛṣṇa: But if it's salt, Prabhupāda, our experience of salt is generally that it dissolves in water, isn't it?
Prabhupāda: Silicate there is.
Indian boy (2): Salt and silicate.
Prabhupāda: You know something of science?
Indian boy (2): Some.
Prabhupāda: It is melted in fire and glass is made.
Cyavana: It becomes clear.
Prabhupāda: No, that you have to add chemicals.
Cyavana: Oh. (break)