[Vo]:Useful information on masks

2020-08-09 Thread Jed Rothwell
This is off-topic, but important. It turns out that cheap, throw-away "surgical mask, 3-layer" type masks work best. These are the ones you can buy anywhere nowadays. Office Depot sells them cheap. See this research article in Science: https://advances.sciencemag.org/content/early/2020/08/07/sci

Re: [Vo]:Useful information on masks

2020-08-09 Thread H LV
When you think about it, I don`t think masks have ever been designed explicitly to keep stuff in. As far as I know masks have traditionally been designed to keep stuff out. Keeping stuff in is a new concept. Harry On Sun, Aug 9, 2020 at 5:29 PM Jed Rothwell wrote: > This is off-topic, but imp

Re: [Vo]:Useful information on masks

2020-08-09 Thread Jed Rothwell
H LV wrote: > When you think about it, I don`t think masks have ever been designed > explicitly to keep stuff in. > As far as I know masks have traditionally been designed to keep stuff out. > Keeping stuff in is a new concept. > I believe you are wrong about that. Surgical masks are worn to pr

Re: [Vo]:Useful information on masks

2020-08-09 Thread H LV
On Sun., Aug. 9, 2020, 8:29 p.m. Jed Rothwell, wrote: > H LV wrote: > > >> When you think about it, I don`t think masks have ever been designed >> explicitly to keep stuff in. >> As far as I know masks have traditionally been designed to keep stuff >> out. Keeping stuff in is a new concept. >> >

[Vo]:Offshort Wind cables Re: [Vo] Wireless power transmission

2020-08-09 Thread William Beaty
On Wed, 5 Aug 2020, Terry Blanton wrote: > Similar methods have been proposed to send power to earth from orbiting solar cell arrays, and probably just as impractical.  https://www.thedrive.com/the-war-zone/9/x-37b-space-planes-microwave-po wer-beam-experiment-is-a-way-bigger-deal-than-it-see

RE: [Vo]:[EE] Wireless power transmission

2020-08-09 Thread William Beaty
On Sat, 8 Aug 2020, bobcook39...@hotmail.com wrote: I agree its not clear what I meant..  I was intending to note that the form of the energy being transmitted was avoided in the presentation.  HA! They can't say "megawatts of RADIATION. It's jsut microwaves, broadcast at exactly the same f

Re: [Vo]:[EE] Wireless power transmission

2020-08-09 Thread Axil Axil
https://en.wikipedia.org/wiki/Wireless_power_transfer On Mon, Aug 10, 2020 at 12:22 AM William Beaty wrote: > On Sat, 8 Aug 2020, bobcook39...@hotmail.com wrote: > > > I agree its not clear what I meant.. I was intending to note that the > form > > of the energy being transmitted was avoided in