This site is maintained by Henry Welman, former provincial manager (2017-2022) and subject adviser (2001-2016) for physical and technical sciences in the Free State, South Africa. Currently retired, but interested in the well-being of teachers and learners involved in these subjects. Please read the disclaimer at the bottom of the posts.
Thursday, 21 December 2017
Plants that glow at night could replace lamps
Scientists are working on the possibility of using plants to provide light. How amazing!