N-trig's active pen enables smooth and simple content creation in a mobile environment, empowering enterprise users to conduct on-screen editing, precise drawing and designing, document-signing and long-distance collaboration.
Of three possible municipal wastewater (sewage) effluents evaluated as a source of N and P, the most effective was source-separated urine with a very high content of these elements, in which case growing algae became more environmentally beneficial than the land-based crops.