Alien in the Bedroom «Simple image - processing techniques such as stacking and stitching are making it easier for a layman or amateur scientist to make valid contributions to the scientific community in areas such as microscopy or astronomy by producing images that were not possible a shot time ago. (newscientist.com)
My point was that we have articles on Arsene Wenger where you can discuss his faults or praises, saying that you want to «moonwalk on Wenger's head» is not a valid contribution to any discussion about football whatsoever. (justarsenal.com)
Student voice groups meet to discuss a range of topics and school development points to ensure that the student body can support the ongoing improvement of the school and make valid contributions to this. (the3rivers.net)