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The large field of hydrothermal vents on the seafloor in the dark depths of the East Pacific ocean is the hottest and largest ever found in the region. Not only that, but in places where scientists don’t expect to find active vents, let alone the entire system, hundreds of meters from the axis of the volcanic ridge. The discovery, scientists say, could have a significant impact on our understanding of ventilation systems, and the role they play in marine ecosystems. The field was discovered by a team of scientists using autonomous underwater vehicles to map the ocean floor at depths inhospitable to human explorers. In the data obtained from the AUV. Woods Hole Oceanographic Institution Security the team looked at the region of the massive tower, standing three stories high at 2,560 (8,400 feet) meters below the surface – in permanently dark and silent bathypelagic depths. Ventilation is monitored with a temperature recorder. (WHOI/NDSF/ROV Jason/NSF) Initially, the team thought the v

A landmark study by the City of Melbourne focused on three options for preventing the spread of Covid-19, while reducing energy use: opening windows; ceiling HEPA air filter and displacement ventilation system. The BREATH project was carried out in partnership with Cbus Property, University of Melbourne, AG Coombs, SEED Engineering and Westaflex, with peer review by AURECON. Over a three-month period the study, which is available on the City of Melbourne website, compared the energy use and performance of a number of full-scale ventilation retrofit options. Measurements were made in a full-scale building in Melbourne’s CBD, namely 423 Bourke Street, Melbourne, which will soon be rebuilt by Cbus Property, not in a laboratory. Melbourne City Mayor Sally Capp said the study was important because fears of infection remained a barrier for some city workers from returning to work. “We encourage landlords, tenants and partners to embrace BREATH’s findings, and help us create heal