PinnedDavid StackHow to Stop a Climate Crisis: Shut Off the GasIf you want to help stop global warming here’s what you need to do as soon as possible.13 min read·Apr 22, 2021--1--1
David StackGrowing Food…Without SoilHave you ever wondered where your food comes from? Think it all grows in the ground?4 min read·May 5, 2017----
David StackWhy I Grow Plants In WaterAround the time I was working at NASA, I learned about a way to grow plants in water without using soil.2 min read·Apr 29, 2017--1--1