September 6, 2019
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Two different methods to be tested: (1) Continuous-flow solution with a nutrient film technology where a shallow stream water with nutritients is recirculated in the roots of plants. There will be enough air for the plants. The slope should be … Continue reading
August 21, 2019
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Bill Brysonin kirjasta ss 308-312 joitain huomioita: 92 “luonnollista” alkuainetta, parikymmentä labrassa tuotettua Jotkut ovat täysin tuntemattomia, esim astatiini (nro XX) koska on niin harvinainen. Kaikkein harvinaisin on frankium, alle 20 atomia maapallossa. Noin 30 alkuainetta ovat yleisiä, ja n. … Continue reading
August 21, 2019
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Gadolinin listaus. Töitä 7. lk: Sokerisateenkaari. Tiheys, työskentely, väriaineet. 6 keitinlasia, sokeria esim. 55 g, 44 g, 33 g, 22 g, 11 g, 0 g ja 50 ml lämmintä vettä. Värjää kaikki eri värisiksi.Pipetoi koeputkeen. Tislaus (kokis, kahvi, tee, mehu). … Continue reading
August 20, 2019
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DIY hydroponic living green wall. Summer Rayne Oakes in Ep 028: DIY Sub-irrigated Green Wall – Plant One On Me shows great ideas though not hydroponic. This would be easy to implement using plastic gardening boxes. Opaque containers for plants … Continue reading
August 7, 2019
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