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  • el tardo
    Banned
    • Sep 2012
    • 1094

    For people lacking education-masks

  • #2
    Sousuke
    Veteran Member
    • Mar 2012
    • 3871

    Its a simple concept. Respirators and face shields protect the wearer. Cloth/Paper masks do not. They lower the travel range of the droplets.
    Everyone on Calguns keeps talking about TDS. I never knew we had so many fish keepers!

    The TDS on my 10gallon tanks 110ppm
    The TDS on my 29 gallon tank is 150ppm (due to substrate)

    Comment

    • #3
      el tardo
      Banned
      • Sep 2012
      • 1094

      Originally posted by Sousuke
      Its a simple concept. Respirators and face shields protect the wearer. Cloth/Paper masks do not. They lower the travel range of the droplets.

      Comment

      • #4
        Sousuke
        Veteran Member
        • Mar 2012
        • 3871

        It lowers the velocity of your breath which has an effect on distance.

        d= V^2 / 2μg
        Everyone on Calguns keeps talking about TDS. I never knew we had so many fish keepers!

        The TDS on my 10gallon tanks 110ppm
        The TDS on my 29 gallon tank is 150ppm (due to substrate)

        Comment

        • #5
          el tardo
          Banned
          • Sep 2012
          • 1094

          Originally posted by Sousuke
          It lowers the velocity of your breath which has an effect on distance.

          d= V^2 / 2μg

          Comment

          • #6
            Sousuke
            Veteran Member
            • Mar 2012
            • 3871

            To escape out the side, its direction would have changed which still lowers velocity.
            Everyone on Calguns keeps talking about TDS. I never knew we had so many fish keepers!

            The TDS on my 10gallon tanks 110ppm
            The TDS on my 29 gallon tank is 150ppm (due to substrate)

            Comment

            • #7
              el tardo
              Banned
              • Sep 2012
              • 1094

              Originally posted by Sousuke
              To escape out the side, its direction would have changed which still lowers velocity.

              Comment

              • #8
                Sousuke
                Veteran Member
                • Mar 2012
                • 3871

                Again to my first post - Its a simple concept. Respirators and face shields protect the wearer. Cloth/Paper masks do not. They lower the travel range of the droplets.
                Everyone on Calguns keeps talking about TDS. I never knew we had so many fish keepers!

                The TDS on my 10gallon tanks 110ppm
                The TDS on my 29 gallon tank is 150ppm (due to substrate)

                Comment

                • #9
                  newbutold
                  Senior Member
                  • Jan 2017
                  • 1952



                  The cloth face cover is meant to protect other people in case you are infected.
                  Never attribute to malice that which is adequately explained by stupidity. Robert J. Hanlon

                  No more dems, rinos, commies, , pinkos, crooks, pedos, frauds, idiots, lunatics, wanna-be dictators, traitors, old fools, or kleptocratic thieves for President from any party.

                  The demonstrators who infiltrated the Capitol have defiled the seat of American democracy. Donald J. Trump 1/7/21

                  Comment

                  • #10
                    el tardo
                    Banned
                    • Sep 2012
                    • 1094

                    Originally posted by newbutold
                    https://www.cdc.gov/coronavirus/2019...revention.html

                    The cloth face cover is meant to protect other people in case you are infected.

                    Comment

                    • #11
                      kelvin232
                      Senior Member
                      • Feb 2013
                      • 827

                      When someone posts a legit link and a basic velocity equation and you still don't understand that masks work, then the problem is you. Stop getting your health and math advice from the guy that thinks a 76 year old cancer patient is an antifa hacker agent with an Oscar worthy bleeding performance.

                      Comment

                      • #12
                        eta34
                        Senior Member
                        • Oct 2006
                        • 2432

                        These threads deliver!

                        Comment

                        • #13
                          el tardo
                          Banned
                          • Sep 2012
                          • 1094

                          Originally posted by kelvin232
                          When someone posts a legit link and a basic velocity equation and you still don't understand that masks work, then the problem is you. Stop getting your health and math advice from the guy that thinks a 76 year old cancer patient is an antifa hacker agent with an Oscar worthy bleeding performance.

                          Comment

                          • #14
                            stonefly-2
                            Veteran Member
                            • Mar 2013
                            • 4993

                            We here brought ourselves up to speed on the attributes of masks/ respirators like a couple of months ago.

                            Why don't you pick something relevant if your'e so determined to rise in the troll pecking order?
                            What do you call the people that abandoned the agenda of John Kennedy and adopted the agenda of Lee Oswald?

                            Pronouns: "Dude" and "Playa".

                            https://billstclair.com/Unintended-Consequences.pdf


                            I was born under a wandrin star.

                            Comment

                            • #15
                              Sousuke
                              Veteran Member
                              • Mar 2012
                              • 3871

                              Strictly speaking speed isn't velocity, but that doesn't matter right now.

                              The mask takes part in the equation for μ which is the coefficient of friction. The mask decelerates your breath. This ties into your other thread about distances.
                              Everyone on Calguns keeps talking about TDS. I never knew we had so many fish keepers!

                              The TDS on my 10gallon tanks 110ppm
                              The TDS on my 29 gallon tank is 150ppm (due to substrate)

                              Comment

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