Polecamy Artykuły Nowości
Ripplemarki
Natura to wielki artysta. Jej dzieła możemy podziwiać na każdym kroku. Niektóre z nich mamy dosłownie pod naszymi stopami… Wystarczy tylko uważnie przyjrzeć się choćby naszym bałtyckim plażom!
Kamizelka ratunkowa z drzewa
Czym wypełniane były kamizelki ratunkowe zanim pojawiły się tworzywa sztuczne i skąd w ogóle wzięła się nazwa kapok?
Po co nurkowi zakładano ołowiane…
Pierwsze projekty przyrządów służących do wspomagania nurka pod wodą, a nawet podwodnego skafandra można odnaleźć na rysunkach Leonarda da Vinci. Pierwsze prototypy takich przyrządów pojawiły się w czasach wielkich wynalazków.
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<p class="MsoNormal"><span style="font-size:16.0pt;line-height:115%;mso-bidi-font-weight:
bold">Fragment haczykowatych łusek okrywy koszyczka kwiatowego (popularnie nazywanego
rzepem).</span></p>
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mso-bidi-theme-font:minor-bidi;mso-ansi-language:PL;mso-fareast-language:EN-US;
mso-bidi-language:AR-SA">Fot. Jan Kalabiński</span><!--[if gte mso 9]><xml>
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Łopian, przydrożny chwast, stał się…
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