Stephen Hawking's Philosophy of Science
Is Hawking right to claim that reality is dependent on the model used to describe it, that models generated by biochemical processes in our brains constitute “reality”?
In his new book, The Grand Design, co-authored with the Caltech mathematician Leonard Mlodinow, Hawking presents a philosophy of science he calls "model-dependent realism," which is based on the assumption that our brains form models of the world from sensory input, that we use the model most successful at explaining events and assume that the models match reality (even if they do not), and that when more than one model makes accurate predictions "we are free to use whichever model is most convenient." Employing this method, Hawking and Mlodinow claim that "it is pointless to ask whether a model is real, only whether it agrees with observation."
Malcolm Gladwell teaches "Get over yourself and get to work" for Big Think Edge.
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It's one of the most consistent patterns in the unviverse. What causes it?
- Spinning discs are everywhere – just look at our solar system, the rings of Saturn, and all the spiral galaxies in the universe.
- Spinning discs are the result of two things: The force of gravity and a phenomenon in physics called the conservation of angular momentum.
- Gravity brings matter together; the closer the matter gets, the more it accelerates – much like an ice skater who spins faster and faster the closer their arms get to their body. Then, this spinning cloud collapses due to up and down and diagonal collisions that cancel each other out until the only motion they have in common is the spin – and voila: A flat disc.
Both panoramic and detailed, this infographic manages to show both the size and distribution of world religions.
- At a glance, this map shows both the size and distribution of world religions.
- See how religions mix at both national and regional level.
- There's one country in the Americas without a Christian majority – which?
Do you have a magnetic compass in your head?
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