If someone was promised a ‘New Earth’, as a replacement, would they be less inclined to look after the current one? This was one of the questions posed in a 2010 paper for The Expository Times. The author, Professor Edward Adams of King’s College, London, UK, points out that : ‘In accordance with his promise, we […]
Tag: earth
“Soil themes” in pop music (new study)
Have you ever considered how “soil themes” have been represented in popular song? If so, a new paper in the journal Soil Science and Plant Nutrition (Volume 63, 2017 – Issue 5) may be of interest. See: ‘Songs for our soils. How soil themes have been represented in popular song‘ The authors cite songs such […]
Math Challenge: Light Bulbs Count
Today’s Nasty Mathematics Challenge: Watch this video (taken by astronauts on the International Space Station with a camera that picks up low-intensity light, and then edited by Michael König, and sped up), and estimage the number of light bulbs whose light is visible: [vimeo]32001208[/vimeo] HINT: The task is easier (but not much) if you enlarge […]
Running on water: On the earth and on the moon
It would be even better on the moon. Yes, here on earth you can run atop a pool of water-mixed-with-cornstarch, as people are doing in this video: But you could also run atop a pool of pure water—if you and that water were somewhere that has weaker gravity. The moon is one such place. An […]
