Will Simm
8 posts

Will Simm
@willsimm
Recovered former long term post-doc. There really is a life outside of University for PhDs.
Lancaster, UK Katılım Ocak 2010
913 Takip Edilen416 Takipçiler

@R0b1et @UniofReading @UniRdg_Met @UniRdg_water Is that not because gravity is pulling the water down and air up out of the soil, thus creating a vacuum sucking the cup down? A bit like when you have a cup in the bath, turn it over to fill and it's more difficult to pull it out bottom up?
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@willsimm @UniofReading @UniRdg_Met @UniRdg_water No. Surface tension is rather strong, so because all 3 cups were pushed down fairly firmly, all 3 "seal" with surface tension. You can see this as when the left 2 empty the cup lifts as the seal has been broken as the water's gone.
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In this video I have shown a very quick experiment I did @UniofReading Harris Garden. I hope it shows why the last thing drought stricken Southern England needs now is heavy rain. #Drought #flooding #ClimateEmergency thanks @UniRdg_Met & @UniRdg_water .
youtube.com/watch?v=CyGmRa…

YouTube
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