Panasonic Security Systems of Secaucus, New Jersey, has introduced a new weatherproof camera with a built-in fan, heater, and sun shield to maintain operating temperature in harsh environments.

新泽西州的松下安全系统公司，为了更新其产品，推出了一款新的防水摄像机，机体配置了固定的风扇，加热器和太阳兆，确保了在恶劣环境下运行是机体温度必会太高或太低。

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Between 400 and 600 grams, it has no further effect, but when it exceeds 600 grams, it ACTS as a shield against the sun, and slows down melting.

每平方米在400克至600克之间时，不再有进一步的影响；但是当每平方米超过600克时，覆层就起到遮挡阳光的作用，从而减缓融化的速度。

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By looping around L2, JWST can keep its shield pointed at the sun while avoiding the shadow of Earth and the moon.

由于詹姆斯·韦伯太空望远镜在围绕L2运行，因此可以使其遮阳板对着太阳，同时又避开了来自地球和月球的阴影。

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The Sun's magnetic field and solar wind - mainly in the form of electrons and protons coming out of the Sun - protects the entire Solar System by acting as a sort of shield from cosmic rays (very energetic particles and radiation from outer space).

BBC: Viewpoint: The Sun and climate change