In the seventeenth century, Marin Mersenne (1588–1648) was a very central and highly influential figure in the European intellectual and scientific communities; a man, who almost literally knew everybody and was known by everybody in those communities. Today, in the big names, big events, popular versions of the history of science he remains only known…
Sir Isaac Newton was one of the most influential scientists in world history. He is best-known for his three laws of motion, and his law of universal gravitation.
Updated
7 May, 2021 - 23:05
Annekatrin and .
Shakespeare’s Ghosts Live! What Secret Messages do The Spirits Reveal about the Nature of Reality?
When one of us began studying psychology he was told that if the aim was to understand human relationships, it would be better served by studying literature especially Shakespeare. Since then, at least as concerns
clinical psychology , the subject has moved on to become an evidence-based humanistic alternative to psychiatry s rather mindless medical model. Yet some of Shakespeare s insights do still remain unrecognized. Despite all the innumerable treatises on Shakespeare, there is a near absence of any discussion of what can be inferred from his works concerning his view on the paranormal.
Basic Home Hydroponics: A workshop for DIY enthusiasts
December 22, 2020
On Jan. 2, 2021, the Basic Home Hydroponics workshop will teach participants everything they need to know to begin hydroponics at home.
Experimental blueberry transplants being grown in a do-it-yourself hydroponic system. Photo by Christopher Imler, MSU Extension.
What is hydroponics? A perfunctory search of the internet produces all manner of explanations, from historical accounts of a Roman emperor’s cucumbers to futuristic images of modern theme park gardens. Less considered is the actual science that underpins why growing plants without soil is even possible, which is precisely what hydroponics does.
Contrary to conventional wisdom, plants do not need soil to grow. The basic requirements for plant life are light, an adequately warm environment, water, carbon dioxide, oxygen and mineral nutrients. In his early 1600s experiments, Jan Baptist van Helmont revealed that plants do not consume soil to grow a