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

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            um eigentümlich ſind. </s>
            <s xml:id="echoid-s3991" xml:space="preserve">— Ja, in der Lebensthätigkeit der Pflanze
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            und noch mehr in der des Tieres, herrſcht eine außerordentlich
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            eigene Art von Anziehung, die durchaus anders iſt als alle
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            anderen bisherigen. </s>
            <s xml:id="echoid-s3992" xml:space="preserve">All’ dieſe wollen wir in leichten Zügen
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            einmal vorführen, um dann zu der Hauptfrage des Geheim-
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            niſſes zu kommen, ob es nur eine Anziehungskraft in der Natur
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            giebt, die ſich nur unter verſchiedenen Umſtänden verſchieden
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            äußert, oder ob es wirklich verſchiedene geſonderte Anziehungs-
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            kräfte giebt, von denen ſich uns einige zeigen: </s>
            <s xml:id="echoid-s3993" xml:space="preserve">oder endlich,
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            ob alle nur herſtammen von einer uns völlig unbekannten
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            Naturkraft, von welcher die Anziehung überhaupt nur eine be-
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            ſondere Erſcheinung iſt.</s>
            <s xml:id="echoid-s3994" xml:space="preserve"/>
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            <s xml:id="echoid-s3995" xml:space="preserve">Und für dieſe Aufgabe nehmen wir für diesmal das In-
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            tereſſe und das Nachdenken unſerer Leſer in Anſpruch.</s>
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        <div xml:id="echoid-div161" type="section" level="1" n="122">
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            <emph style="bf">IV. Von den kleinſten Teilchen und den unſicht-</emph>
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            <emph style="bf">baren Zwiſchenräumen.</emph>
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            <s xml:id="echoid-s3997" xml:space="preserve">Es giebt zahlreiche Beweiſe dafür, daß all’ die feſten
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            Dinge, die unſerem Auge wie ununterbrochene Maſſen erſcheinen,
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            welche gar keine leeren Zwiſchenräume in ſich haben, dennoch
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            voll von ſolchen Zwiſchenräumen ſein müſſen.</s>
            <s xml:id="echoid-s3998" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s3999" xml:space="preserve">Einen ſcharfen Stahlſtift kann man durch Preſſen oder
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            Schlagen in ein Stück Eiſen treiben. </s>
            <s xml:id="echoid-s4000" xml:space="preserve">Der Stahlſtift macht ein
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            Loch im Eiſen. </s>
            <s xml:id="echoid-s4001" xml:space="preserve">Da aber nirgends das Eiſen zu finden iſt,
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            das vorher die Stelle des Loches ausgefüllt hat, ſo leuchtet es
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            jedem ein, daß der Stahlſtift nur das Eiſen verdrängt hat, und
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            daß das Loch nur dadurch entſtanden iſt, daß durch das Ein-
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            dringen des Stahlſtiftes das Eiſen rings um das Loch dichter
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            geworden iſt.</s>
            <s xml:id="echoid-s4002" xml:space="preserve"/>
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            <s xml:id="echoid-s4003" xml:space="preserve">Wäre Eiſen eine Maſſe, die vollkommen dicht zu-
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            ſammenhängt und ein ununterbrochenes Stück iſt, ſo </s>
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