Linguistics is the scientific study of language, and involves an analysis of language form, language meaning, and language in context. The earliest activities in the documentation and description of language have been attributed to the 6th century BC Indian grammarian Pāṇini, who wrote a formal description of the Sanskrit language in his Aṣṭādhyāyī.
As an energy carrier, hydrogen inspires a lot of enthusiasm and more than a little wariness. An EU-funded project addressed safety issues related to the use of hydrogen technologies.