संस्कृते विश्वासटिप्पन्यः

Accusation: You cannot do or teach modern technical subjects (eg. maths, physics, chemistry, biology…) in sanskrit.
False - You can, and it will be quite precise, meaningful and fun. Example of a brief description of titration and stellar chain reactions - MT16(TW16).
Chinese, Japanese, Israelis and Germans do science in their own languages. Among them, Hebrew is a revived language.
That said, we can still concede that we can expediently use English for such subjects while retaining sanskrit for the soft sciences.