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A research team from Tsukuba University in Japan has announced their development of an apparatus that is capable of projecting open-air holograms that are safe for humans to interact with.

While the practice of modern holography was invented in 1962, the holograms produced were imprinted on clear glass or plastic sheets, and required the viewer to look through that medium to view the holographic image itself. Open-air holography methods using fast-pulsing lasers have been developed in recent years, but the images themselves were hazardous, as the plasma generated in the air to produce the image was hot enough to burn human skin.
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In the decades since the assassination of John Fitzgerald Kennedy on November 22, 1963, a myriad of documentary evidence from the events of that day have been used to try to gain a better understanding of how JFK was killed in Dealey plaza. Audio recordings, photographs, and the infamous Zapruder film have been extensively analyzed to try to paint a picture of what happened that day. However, a second film recording of the president’s motorcade, largely forgotten by history, has become the subject of a lawsuit, launched by an heir of the original filmmaker.
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Plankton is spreading in the North Atlantic much faster than global warming models have predicted. This appears to be due to a much faster than expected "loading" of carbon dioxide into ocean waters from the CO2-laden atmosphere. Normally, carbon dioxide is absorbed into the oceans, which has been reducing the amount in the atmosphere.

When this loading stops, the amount in the atmosphere could rise quickly, but it’s not yet clear whether the plankton growth is good or bad for the planet. Published Thursday in the journal Science, a new study details a tenfold increase in the abundance of a type of floating phytoplankton between 1965 and 2010, and a particularly sharp spike since the late 1990s.
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Researchers in Sweden have created what they are calling an electronic plant, a machine-plant hybrid that has electrically conductive wiring integrated into it’s internal structure. The research team sees a wide variety of applications for this development, including plants that can react to environmental changes, or plants that could act as electrical batteries, using photosynthesis as a power source.
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