Energy & Green Tech

Busting the problem of cloud cover

The downside to solar power is that it's not always sunny and so grid operators have to compensate for energy drops by bringing alternative generation sources online. New research in the International Journal of Powertrains, ...

Security

Microsoft fixes cloud platform vulnerability after warning

Microsoft says it has fixed a flaw in its cloud computing platform that cybersecurity researchers warned could have enabled hackers to take over a cloud-based database product used by many big companies.

Business

Cloud, business services lift Microsoft earnings

Microsoft on Tuesday reported a jump in profits in the recently ended quarter, keeping strong momentum from accelerated gains in cloud computing during the pandemic.

Security

Keylime security software is deployed to IBM cloud

Keylime, a cloud security software architecture, is being adopted into IBM's cloud fleet. Originally developed at MIT Lincoln Laboratory to allow system administrators to ensure the security of their cloud environment, Keylime ...

Business

Amazon buys encrypted messaging app Wickr

Amazon said Friday it was acquiring the encrypted messaging app Wickr which offers secure communications for businesses, government agencies and individuals.

Software

Microsoft taking Xbox games directly to TVs

Microsoft on Thursday said it is working on software to let people play Xbox video games on internet-linked televisions without need of consoles.

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Cloud

A cloud is a visible mass of droplets or frozen crystals suspended in the atmosphere above the surface of the Earth or another planetary body. A cloud is also a visible mass attracted by gravity, such as masses of material in space called interstellar clouds and nebulae. Clouds are studied in the nephology or cloud physics branch of meteorology.

On Earth the condensing substance is typically water vapor, which forms small droplets or ice crystals, typically 0.01 mm in diameter. When surrounded by billions of other droplets or crystals they become visible as clouds. Dense deep clouds exhibit a high reflectance (70% to 95%) throughout the visible range of wavelengths. They thus appear white, at least from the top. Cloud droplets tend to scatter light efficiently, so that the intensity of the solar radiation decreases with depth into the gases, hence the gray or even sometimes dark appearance at the base. Thin clouds may appear to have acquired the color of their environment or background and clouds illuminated by non-white light, such as during sunrise or sunset, may appear colored accordingly. In the near-infrared range, clouds look darker because the water that constitutes the cloud droplets strongly absorbs solar radiation at those wavelengths.

This text uses material from Wikipedia, licensed under CC BY-SA