Nettreklame er sløsing med pengene

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If you search for eBay, though, you’ll find only a single listing—an unpaid one. Odds are, after marketers at Amazon, Walgreens, and elsewhere catch wind of a preliminary study released on Friday, their search listings will start to look a lot more like eBay’s.  The study—by eBay Research Labs economists Thomas Blake, Chris Nosko, and Steve Tadelis—analyzed … Les mer

How Lego bricks went from five colors to nearly 200

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Kati Perry Sept. 14 at 3:32 p.m, Washington Post Since modern Lego bricks debuted in 1958, their color scheme has undergone a transformation from just a handful to more than 110 at the peak in 2004. The palette has evolved, grown and shrunk over the decades. When Lego started manufacturing bricks, it started small, colorwise. … Les mer

Low-cost solutions to global warming, air pollution, and energy insecurity for 145 countries

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publised in Royal Society of Chemistry (journal) Jun 9, 2022. Written by Mark Z. Jacobson, * Anna-Katharina von Krauland, Stephen J. Coughlin,Emily Dukas, Alexander J. H. Nelson, Frances C. Palmer and Kylie R. Rasmussen. Dept. of Civil and Environmental Engineering, Stanford University, Stanford,California 94305-4020, USA Extracts and personal comments to a highly optimistic study. For … Les mer

Fossil fuels

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Source: BP Statistical Review 2022, published by Visual Capitalist January 31, 2023 Coal Production If all the coal produced in 2021 were arranged in a cube, it would measure 2,141 meters (2.1km) on each side—more than 2.5 times the height of the world’s tallest building. China produced 50% or more than four billion tonnes of … Les mer

Fonts

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By @culturaltutor at Twitter Arial A classic font, designed in 1982 by Robin Nicholas and Patricia Saunders, and once the default for things like PowerPoint and Excel. But Arial has a secret: it’s a knock-off with exactly the same letter width as another font in this list… Arnold Böcklin Designed by Otto Weisert in 1904 … Les mer

Sol i Sahara

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Det dukker fra tid til annen opp tullete tegninger av små frimerker i Afrika, for å illustrere hvor lite som skal til for å dekke verdens energi-behov med solceller. La oss regne på det. Vi tar utgangspunkt i verdens tredje største solcellepark: Pavagada Solar Park i India. The 400MW/1,6GWh Moss Landing Energy Storage Facility er … Les mer

Kategorier Sol

On the Law of Diminishing Specialization

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Cal Newport, Oct 3, 2108 Recently, I’ve been dipping in and out of Edward Tenner’s provocative 1996 book, When Things Bites Back. In following one of Tenner’s footnotes I came across a fascinating 1992 academic study from the National Review of Productivity, authored by the Georgia Tech economist Peter G. Sassone.  The paper has an … Les mer

Havvind i Norge

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I 2023 går startskuddet for norsk satsning på havvind. Det er snakk om to områder: NVE anslår 30 millioner / MW for faste og 50 millioner / MW for flytende vind. energimeldingen som den norske regjeringen la frem, er NVE sitert på at bunnfast havvind på Sørlige Nordsjø II kan bygges med en levetidskostnad (LCOE) … Les mer