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How Dry Ice Blasting is an Effective Method for Fire-Damaged Structures
While you may already know that dry ice is a versatile substance, did you know that it can also be used for emergency cleanup?
dry-ice  emergency  fire-damage 
5 days ago by Adventure_Web
HeyPhone: Cave Rescue Communications System
It is now 17 years since the original HeyPhone was produced; designed and constructed for the UK Cave Rescue Groups by John Hey, who died in 2016. The HeyPhone was a pioneering development in Cave Radio, but it can no longer be recommended for construction. The information is archived here, on this web site, for posterity (or, at least, for a while) but you are advised to seek a more modern design. Several significant products have been developed, (e.g. Système Nicola, Cave-Link) but these are semi-commercial products, and not available for home construction. One strong contender for a 'homer' to replace the original HeyPhone has to be Ian Cooper's Micro HeyPhone, which was described in the CREG Journal in 2017
hamradio  communications  wireless  rescue  emergency 
7 days ago by cyberchucktx
Somewear: limitless communication built for adventure by Somewear Labs — Kickstarter
Somewear Labs is raising funds for Somewear: limitless communication built for adventure on Kickstarter!

A global, satellite hotspot that brings your friends on every adventure - beautifully designed to fit in your pocket
satellite  hotspot  beacon  emergency  localizer 
23 days ago by gilberto5757
Twitter
Many of us, who were born much after 1975 and did not experience and feel that the present regime is opp…
Emergency  from twitter
23 days ago by freethinker
Upcoming iOS 12 Will Share Emergency Location With 911 Services
Apple announced today that the next version of the iOS operating system —iOS 12— would automatically and securely share a caller's geo-location with 911 emergency services across the US.
The goal is to give 911 call centers quick access to location data in extreme cases where the caller cannot relay this information on his own.
emergency  ios12  iphone  location_services 
24 days ago by rgl7194

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