Building a reactive calculator in Haskell

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Airbnb Is Moving Off of React Native (2018)

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The Tadpoles of IC 410

This telescopic close-up shows off the central regions of otherwise faint emission nebula IC 410, captured under backyard suburban skies with narrowband filters. It also features two remarkable inhabitants of the cosmic pond of gas and dust. Below and right of center are the tadpoles of IC 410. Partly obscured by foreground dust, the nebula itself surrounds NGC 1893, a young galactic cluster of stars. Formed in the interstellar cloud a mere 4 million years ago, the intensely hot, bright cluster stars energize the glowing gas. Composed of denser cooler gas and dust, the tadpoles are around 10 light-years long and are likely sites of ongoing star formation. Sculpted by stellar winds and radiation their heads are outlined by bright ridges of ionized gas while their tails trail away from the cluster’s central young stars. IC 410 lies some 10,000 light-years away, toward the nebula-rich constellation Auriga. via wordpress https://wp.me/p4wJUi-6Pf

Viewing the Red Planet

This artist’s concept shows an astronaut on Mars, as viewed through the window of a spacecraft. via wordpress https://wp.me/p4wJUi-6P7

Picture of the day for June 18, 2020

Wikipedia picture of the day on June 18, 2020: Cruise ship Regal Princess (2013) at Warnemünde, Rostock, Germany https://ift.tt/3fD64Kb

Nasdaq is down -0.11% in premarket

June 18, 2020 Stock Futures Premarket Data 08:55AM ET S&P 500 -0.61% Nasdaq -0.11% Dow Jones -0.78% Performance S&P 500 1d -0.36% 5d 3.71% 1m 5.4% 3m 29.83% 6m -2.43% 1y 6.71% 5y 46.78% 10y 178.61% Nasdaq 1d 0.15% 5d 4.4% 1m 7.32% 3m 41.78% 6m 12.27% 1y 24.6% 5y 93.08% 10y 329.06% Dow Jones 1d -0.65% 5d 3.95% 1m 6.19% 3m 31.26% 6m -7.51% 1y -1.31% 5y 44.18% 10y 149.93%

Art Quote of the Day

“Art is making something out of nothing and selling it.” – Frank Zappa

Wikipedia article of the day for June 18, 2020

Wikipedia article of the day is Meinhard Michael Moser. Check it out: https://ift.tt/3fChRbk Summary: Meinhard Moser (1924–2002) was an Austrian mycologist. His work principally concerned the taxonomy, chemistry, and toxicity of gilled mushrooms (Agaricales), especially the genus Cortinarius. Moser completed his doctorate at the University of Innsbruck in 1950, then briefly worked in England. He joined Austria’s Federal Forestry Research Institute in 1952, conducting research on the use of mycorrhizal fungi in reforestation. He began lecturing at Innsbruck in 1956, becoming a professor in 1964. He became the inaugural head of Austria’s first Institute of Microbiology in 1972. He remained with the Institute until his retirement in 1991, and his scientific studies continued until his death in 2002. He was an influential mycologist, describing around 500 new fungal taxa and publishing several important books. In particular, his 1953 book on European mushrooms, published in English as Keys to Agarics and Boleti, saw several editions both in German and in translation.