Two masks reduce protection against coronavirus as the increased flow resistance makes more contaminated air flow through the imperfect seal. COVID-19 – why two masks actually reduces protection
[Translate] Australia has just signed a $50 billion contract with France to build its new generation of submarines. The United states appears to be going in a very different direction. “Mainstreaming Unmanned Undersea Vehicles into Future U.S. Naval Operations” has just been published by National Acadamies Press (free PDF download) […] Australia’s new submarines
The Australian ATA GDO-7V! garage door opener seems to fail in exactly the same way and can be fixed for about 4c Garage Door Opener 4c repair
The cowboy removal of damaged asbestos roofs after the November 2014 hail in Brisbane has created a significant Workplace and Public Health incident. Hail and asbestos roofs
A Google Project Loon balloon was been spotted over Queensland on May 19 2014. The balloon appeared to navigate a complex path including circling Brisbane. Loon in Queensland
The maintenance people are often forgotten when it comes to respiratory protection. The use of surgcial type masks in a heath care setting to protect against Legionella is very wrong and gives a false sence of security, particularly when no attention is paid to fit. Legionella at Wesley Hospital
Compaisons can be made between the medical response to the Boston Bombings and Cyclone Tracey. In both, triage and staff support and initiatives significantly helped, though other differences were enormous. Medical response from the Boston bombing
[Translate] One of the problems with Internet links is that the links can disappear or change. I often copy the content, but link back to the source to acknowledge the source. I have just installed a link checking utility that checks links every 3 days and puts a line through broken links or unresponsive websites. This […] Handling broken links
Indoor Google Maps, smartphones and Bluetooth monitoring instruments could combine to give real time mapping of occupational and evironomental data. The future of hygiene monitoring with Indoor Google Maps