Nettreklame er sløsing med pengene

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

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

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

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


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

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

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

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