alins
I assume 'dual-beam' is the same as dual-channel? Does the calibration technique mentioned in the manual indicate dual channel operation?
American made N95, KN95, and ASTM Level 3 masks. See their mask testing database, click on each and see a video of their test: https://www.armbrustusa.com/pages/mask-testing?mask=-review
You can find 20-30% off coupons for them online. I'm very happy with my purchases from them.
PiGate – Emergency Email Gateway
CareAlert device and app on Indiegogo: Check on your elderly parents remotely
What features would you like to see in an elderly care home sensing system?
We are doing a year long student team project on developing a home monitoring system for the elderly, and looking for input on what actual caregivers (in our case, children of elderly parents) would like to see in such a system.We know a few things: people do not like to hang sensors/monitors from their necks (identifies them as incapable), may have trouble charging any wearables on their hands...
Ask HN: If I could add a 100MHz CPU external to a phone, what use would it have?
Suppose I could interface a 100 or 200 MHz processor + RAM + storage externally to a high-end smartphone (say via micro USB), and all in a tiny form factor, almost un-noticeable. What useful applications could I run with this weak co-processor? What continuous or periodic tasks can be offloaded to it?
Book discussion: What do you think of "Daemon" by Daniel Suarez?
The technologies described in the book are certainly not science fiction and well within our grasp at the present time, or achievable over the next decade. A question is how plausible is such an event scenario for the world we live in now, and the world of our children?
Ergonomic chair recommendations for daily use with a computer?
I am trying to decide between the Swopper and a variety of Hag models (Capisco, Futu, H04, ...).
2. Natanz is under full IAEA supervision (cameras, sampling devices, etc) and subject to frequent IAEA visits. If there was any type of an accident or radiation release, you would have heard it by now, or you will see it in the next IAEA report on Iran's nuclear activities.
http://www.guardian.co.uk/media/2008/apr/03/pressandpublishi...