Try to Do This
Try to blow out a candle with a card or pasteboard screen between your mouth and the flame. Von will find that you will not succeed, for air cannot ]>enetrate the cardboard. But you will notice a remarkable tiling. The candle flame will blow toward you every time, just as though it were blown back by somebody standing opposite. What has happened is that your breath has struck the flexible screen with sufficient force to carry back on the rebound a certain quantity of air around tho flame. Thus it is forced to more for the moment in the very opposite direction you try to make it Ko.
Permanent link to this item
https://paperspast.natlib.govt.nz/newspapers/NZH19370116.2.178.36.9
Bibliographic details
New Zealand Herald, Volume LXXIV, Issue 22628, 16 January 1937, Page 8 (Supplement)
Word Count
112Try to Do This New Zealand Herald, Volume LXXIV, Issue 22628, 16 January 1937, Page 8 (Supplement)
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