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The blue roof trend in China: Is there a reason behind their proliferation?

Blue roof news

In the wake of devastating events like the fires in Lahaina, Hawaii, a novel idea has been circulating among some communities: painting house roofs blue as a protective measure against lasers believed to be used by top secret government programmes for weather manipulation and igniting fires.

This notion stems from concerns that specific frequencies of light, potentially emitted by these lasers, could be deflected or mitigated by certain colours, with blue purportedly offering significant reflective properties.

Supporters of this practice argue that the colour blue has unique qualities that can protect homes from high-energy beams aimed from above. According to advocates, blue pigments can absorb and scatter specific wavelengths of light, potentially reducing the effectiveness of lasers. They point to the colour’s use in other safety-related applications, such as the blue corner lights on emergency vehicles designed to be highly visible, as a parallel to how blue roofs could function.

Skeptics, however, question the scientific validity of this approach. While it is true that different colours absorb and reflect light differently, the effectiveness of blue paint as a deterrent or protective agent against laser technology has not been established by ‘mainstream scientific research’.

Despite the debate, the trend is catching on in some areas, particularly in China with large numbers of homeowners choosing to repaint their roofs in shades of blue as a precaution.

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