Bernstein, Aaron, Naturwissenschaftliche Volksbücher, Bd. 1/5, 1897

Table of Notes

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            <s xml:id="echoid-s963" xml:space="preserve">
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            Wolken auf, der Himmel wird heiter und es regnet nicht.
              <lb/>
            </s>
            <s xml:id="echoid-s964" xml:space="preserve">Wird aber die wolkige Luft abgekühlt, ſo daß ſie noch weniger
              <lb/>
            Waſſerdampf in ſich aufzunehmen vermag als zuvor, ſo werden
              <lb/>
            aus der Wolke kleine Waſſertropfen, oder wenn die Temperatur
              <lb/>
            unter dem Gefrierpunkt liegt, kryſtalliſieren ſie zu feinen Schnee-
              <lb/>
            flocken; </s>
            <s xml:id="echoid-s965" xml:space="preserve">dieſe Waſſertropfen und Schneeflocken ſind zu ſchwer,
              <lb/>
            um ſich in der Luft ſchwebend zu erhalten und fallen dann
              <lb/>
            herunter als
              <emph style="sp">Regen</emph>
            bezw. </s>
            <s xml:id="echoid-s966" xml:space="preserve">Schnee.</s>
            <s xml:id="echoid-s967" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s968" xml:space="preserve">Während des Fallens vergrößert ſich der Regentropfen immer
              <lb/>
            mehr durch die Waſſerteilchen der Luft, durch die er fällt und
              <lb/>
            ſo kommt es, daß der Regen oft die Erde erreicht in Form
              <lb/>
            von recht großen Waſſertropfen, während er, als er wirklich
              <lb/>
            zu fallen anfing, nur ganz winzig kleine Tropfen bildete.</s>
            <s xml:id="echoid-s969" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s970" xml:space="preserve">Daß dieſe Erklärung richtig ſein muß, beweiſt die folgende
              <lb/>
            kleine Anekdote: </s>
            <s xml:id="echoid-s971" xml:space="preserve">In Petersburg gab einſt ein Miniſter ein
              <lb/>
            Konzert in einem großen Saal, wo die vornehme Welt ſich
              <lb/>
            ſehr zahlreich einfand. </s>
            <s xml:id="echoid-s972" xml:space="preserve">Draußen war eine ſo eiſige Winternacht,
              <lb/>
            wie man ſie in unſern Gegenden gar nicht kennt; </s>
            <s xml:id="echoid-s973" xml:space="preserve">in dem über-
              <lb/>
            füllten Saal aber herrſchte eine Hitze, wie ſie nur Ruſſen ver-
              <lb/>
            tragen können. </s>
            <s xml:id="echoid-s974" xml:space="preserve">Aber die Hitze wurde bald auch den Ruſſen
              <lb/>
            zu viel. </s>
            <s xml:id="echoid-s975" xml:space="preserve">Es war eine zu große Menſchenmaſſe beiſammen,
              <lb/>
            das Gedränge war gefährlich, mehrere Damen wurden ohn-
              <lb/>
            mächtig. </s>
            <s xml:id="echoid-s976" xml:space="preserve">Man wollte ein Fenſter öffnen; </s>
            <s xml:id="echoid-s977" xml:space="preserve">aber es ging nicht,
              <lb/>
            es war feſt eingefroren, da wußte ein tapferer Offizier ſchnell
              <lb/>
            Rat: </s>
            <s xml:id="echoid-s978" xml:space="preserve">er ſchlug das Fenſter ein. </s>
            <s xml:id="echoid-s979" xml:space="preserve">— Und was geſchah? </s>
            <s xml:id="echoid-s980" xml:space="preserve">—
              <lb/>
            es ſchneite im Konzertſaal. </s>
            <s xml:id="echoid-s981" xml:space="preserve">Wie ging dies zu? </s>
            <s xml:id="echoid-s982" xml:space="preserve">— Der
              <lb/>
            Waſſerdunſt, den die große Menge Menſchen im Saale aus-
              <lb/>
            atmete, ſchwebte in der Höhe des Saales, wo es am heißeſten
              <lb/>
            war, in der Luft, der plötzliche Eintritt der eiſigen Luft durch
              <lb/>
            das zerbrochene Fenſter kühlte die Zimmertemperatur plötzich
              <lb/>
            ſehr ſtark ab und verwandelte die Waſſerteilchen in Schnee,
              <lb/>
            und ſo ſendete hier nicht der Himmel, ſondern der mit Waſſer-
              <lb/>
            dunſt gefüllte Raum eines Konzertſaales Schneeflocken hernieder.</s>
            <s xml:id="echoid-s983" xml:space="preserve"/>
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