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#mercury

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“The early space hardware had much in common with the imaginary technology in a Jules Verne science fiction novel. The [Mercury] capsule used steam-powered thrusters for control (the steam being generated by the reaction between hydrogen peroxide and a catalyst in a nickel chamber attached to the thrusters), a periscope for visual tracking, and an electric Earth globe for determining position.”

— Failure is not an option, Gene Kranz

Four in a row in the evening twilight sky.

Mercury, the two-day old crescent moon, Pollux, and Castor lined up this evening from left to right, and showed themselves in a gap in the dissipating monsoon storm clouds.

(2nd, 3rd, and 4th photos) A four-ship of F-16's were returning home to Holloman Air Force Base just as the moon was dropping into the clear patch of sky. Bonus!

A recent study has uncovered dangerously high levels of mercury in widely used skin-lightening creams sold in Bangladesh, raising alarm over a growing public health crisis and regulatory lapses.

Its findings revealed that 22 out of 26 skin-lightening creams tested contained mercury well above the internationally accepted limit of 1 part per million (ppm) or 1mg/kg.

The study was conducted by the Environment and Social Development Organisation (ESDO) in partnership with the European Environmental Bureau (EEB) and supported by testing from BAN Toxics.

Read More: tbsnews.net/bangladesh/health/

It is the end of the Age of #Mercury in our Department. To celebrate this, I give you the story of how John T Way (the "father of soil science") built a mercury light so brilliant that he sailed with it across the Solent, in the darkness, hoping to catch the eye of the Prince Albert. As he did so, he conducted the first mass demonstration of #fluorescence, causing all the #mauve ribbons on the ladies' dresses and bonnets to light up in the darkness. #ClassicKit

chemistryworld.com/opinion/way

Chemistry WorldWay’s electric light and flashes of brillianceThe continuing adventures of John Thomas Way under the mercury-powered spotlight

Two planets in the evening sky (8 June)...three views.

Jupiter is on the lower left, Mercury is on the upper right.

Tonight, Mercury has climbed above Jupiter.

Compare to yesterday's photos: (Mercury at the same elevation as Jupiter)
universeodon.com/@KrajciTom/11

...and two days ago: (Mercury below Jupiter)
universeodon.com/@KrajciTom/11

...and three days ago: (Mercury quite far below Jupiter)
universeodon.com/@KrajciTom/11