Magnifying glass focusing sun light. A magnifying glass is used to focus sun light on a wooden board. The temperature in the focus increases and wood starts smouldering. A small puff of smoke is visible | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Giphotostock |
Bildgröße: | 3414 px × 5130 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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