A Quote by David Perlmutter

Children need to be exploring their physical world. They need to be learning the fundamental laws of physics by manipulating objects. — © David Perlmutter
Children need to be exploring their physical world. They need to be learning the fundamental laws of physics by manipulating objects.
Pinball games were constrained by physical limitations, ultimately by the physical laws that govern the motion of a small metal ball. The video world knows no such bounds. Objects fly, spin, accelerate, change shape and color, disappear and reappear. Their behavior, like the behavior of anything created by a computer program, is limited only by the programmer's imagination. The objects in a video game are representations of objects. And a representation of a ball, unlike a real one, never need obey the laws of gravity unless its programmer wants it to.
Three principles - the conformability of nature to herself, the applicability of the criterion of simplicity, and the utility of certain parts of mathematics in describing physical reality - are thus consequences of the underlying law of the elementary particles and their interactions. Those three principles need not be assumed as separate metaphysical postulates. Instead, they are emergent properties of the fundamental laws of physics.
The problem is that modern fundamental physics is so far from you and me. The mathematics has become so much more complicated that you need at least 10 years to understand it. Fundamental physics has advanced so far from the understanding of most people that there is really a big disconnect.
When I meet children and people who suffer, when they mention any kind of pain, emotional pain, physical pain, I know what they need, because it's the same thing I need. They need healing, they need peace, they need joy, they need hope.
In A Brief History Of Time I used the word "God" like Einstein did as a shorthand for the laws of physics. However, this is not what most people mean by God, so I have decided not to use the term. The laws of physics can explain the universe without the need for a God.
It is not learning we need at all. Individuals need learning but the culture needs something else, the pulse of light on the sea, the warm urge of huddling together to keep out the cold. We need empathy, we need the eyes that still can weep.
We deprive our children, our charges, of persistence. What I am trying to say is that we need to fail, children need to fail, we need to feel sad, anxious and anguished. If we impulsively protect ourselves and our children, as the feel-good movement suggests, we deprive them of learning-persistence skills.
Children don't need learning. They need access to what they want to learn outside the home.
Holding onto and manipulating physical objects is one of the things we learn earliest and do the most. It should not be surprising that object control is the basis of one of the five most fundamental metaphors for our inner life. To control objects, we must learn to control our bodies. We learn both forms of control together. Self-control and object control are inseparable experiences from earliest childhood. It is no surprise that we should have as a metaphor-a primary metaphor-Self Control is Object Control.
The remarkable feature of physical laws is that they apply everywhere, whether or not you choose to believe in them. After the laws of physics, everything else is opinion.
Food, like anything else, lives in the physical world and obeys the laws of physics. When you whisk together some oil and a little bit of lemon juice - or, in other words, make mayonnaise - you are using the principles of physics and chemistry. Understanding how those principles affect cooking lets you cook better.
By manipulating queuing, by manipulating expectation, you can lead people to a fundamental confrontation, not only with themselves, but with the Other.
The laws of Congress and the laws of physics have grown increasingly divergent, and the laws of physics are not likely to yield.
We need love, and to ensure love, we need to have full employment, and we need social justice. We need gender equity. We need freedom from hunger. These are our most fundamental needs as social creatures.
Our most fundamental social need, it turns out, to my amazement, is love. Now, I'm not a hippie-dippie whatever. If you look at the literature, our most fundamental need for children is an environment of maximum love, and that they can be hugged, kissed, and loved. That's what humanises us and allows us to realise our whole dimension.
But my view is that you need a system at the border. You need some fencing but you need technology. You need boots on the ground. And then you need to have interior enforcement of our nation's immigration laws inside the country. And that means dealing with the employers who still consistently hire illegal labor.
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