VirtualTam's bookmarks

1. [Archaeology] Why is all the ancient stuff buried? Like wells, roman walls an such. Does the earth eat it? : askscience 2019-08-24

   tags: archaeology, civilization, dirt, plant, ruin, soil, worm

   [ permalink ]

   • https://www.reddit.com/r/AskHistorians/comments/17je7i/archeologists_are_always_digging_up_ancient_ruins/
   • https://en.wikipedia.org/wiki/The_Formation_of_Vegetable_Mould_through_the_Action_of_Worms
   • https://www.thoughtco.com/what-is-a-tell-169849
   • https://www.quora.com/Why-are-ancient-buildings-buried-deep-underground
2. Garduino: Gardening + Arduino: 14 Steps (with Pictures) 2017-06-02

   tags: arduino, garden, moisture, plant, sensor

   [ permalink ]

   • http://www.instructables.com/id/Soil-Moisture-Sensor/
   • http://playground.arduino.cc/Main/DHTLib