LED device Sun. Scheme, description

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ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
Free library / Schemes of radio-electronic and electrical devices

LED device Sun. Encyclopedia of radio electronics and electrical engineering

Free technical library

Encyclopedia of radio electronics and electrical engineering / Color and music settings

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A device for creating the effect of lights running from the center to the edges of the sun.

Number of LEDs - 18 pcs. Upit.= 3...12V.

Sun LED Device

Publication: cxem.net

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Fossilized unicellular can help find methane in the ocean 04.04.2023

A research team led by a Brown University scientist has discovered a new way to track the transformation of deep-sea methane deposits into a gas previously invisible to researchers. In this they were helped by benthic foraminifers - unicellular organisms from the order Miliolida. Scientists have found that these organisms act as a so-called indicator when it comes to the process of dissociation of methane hydrate.

Deep sea methane deposits are deposits in the form of ice under the seafloor. The process of converting ice-like methane into gas rising to the surface is called methane hydrate dissociation. And the fossilized shells of the single-celled organisms Miliolida, in fact, act as indicators of the places where this process occurs, even when the amount of gas released is extremely small.

In the study, the scientists examined nearly 400 individual Miliolida fossils that witnessed previously unrecorded capitalized methane-to-gas events in the Bay of Bengal in the northern Indian Ocean over the past 1,5 million years. However, these processes were extremely small so that scientists could identify them using other signs. In addition, the researchers found that all of these dissociation events were largely caused by rising water temperatures in the region.

Now experts believe that global warming affects not only climate change, but also processes occurring deep at the bottom of the ocean. It is hypothesized that further warming could affect ancient methane deposits, which happens more frequently than previously thought.

According to lead author of the study, Stephen Clemens, a professor of geological sciences at Brown University, his and colleagues' study demonstrates that the transformation of methane crystals into gas is more serious than previously thought, especially when the Earth's climate is in a warm phase.

The researchers found that three species of the phylum Miliolida forminifera are able to serve as indicators of this process, namely: Pyrgo spp., Quinqueloculina spp., Spiroloculina spp.

Identifying large dissociation events is not really a difficult task for scientists; they leave their marks in the sedimentary record. However, now experts will also be able to use fossilized unicellular organisms to find smaller events.

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