Every year about 27.7 million tonnes of Saharan dust cross the Atlantic on the trade winds, and NASA’s CALIPSO satellite has traced it fertilising the Amazon with roughly the same quantity of phosphorus the rainforest loses to rivers Saving Tips July 28, 2026 The Amazon looks like the last place on Earth that would need a delivery of dirt. It is the wettest,…
When NASA lost contact with the IMAGE satellite in 2005, an amateur radio operator in Canada named Scott Tilley picked up its signal in January 2018 while hunting for a classified spy satellite, and the spacecraft turned out to be still spinning, still powered, and still trying to phone home after 13 years of silence. Saving Tips June 9, 2026 On the night of January 20, 2018, an amateur radio operator and electrical engineer named Scott Tilley sat in his…
Almost all of the world’s internet traffic does not travel by satellite but through fibre-optic cables lying on the ocean floor, a hidden web of wires crossing the deepest parts of the sea to connect the continents. Saving Tips May 31, 2026 The great majority of data that crosses between continents travels through fibre-optic cables on the seabed, not through satellites. Estimates…
