Operation of a Liquid Argon Time Projection Chamber
For the first time, the operation of a three-dimensional liquid argon time projection chamber has been demonstrated. This was accomplished in a 50 liter test detector using a readout plane with a woven structure etched on a PC-board.
Status and perspectives of liquid argon calorimeters
Abstract The status of liquid argon calorimeters is reviewed and experiences obtained with these devices are given. Future perspectives of the liquid ionization chamber technique in calorimetry are also discussed.
A sustainable development indicator for NGOs and international organisations
The article offers an easy-to-use indicator for measuring whether NGOs, international organisations and government policies and projects meet the criteria for sustainable development that have been established by the Rio Declaration in 1992 and that are recognised by experts in the field. Use of this indicator reveals that most of the major actors in the field of development are actually failing to promote sustainable development and points to the specific areas where they need to improve in order to fulfil sustainability criteria. We also offer a sample test of the indicator using UNICEF as a case study.