Ordinary photons do have spin, they have... by Roger Penrose | We Heart Quotes

Mathematician Direction physicist Singularity Black Holes

Ordinary photons do have spin, they have a notion of helicity so they spin around their direction on motion.

- Roger Penrose

Other quotes by Roger Penrose

Theory

The basic theory in twistor theory is not to add extra dimensions.

- Roger Penrose

Calculations Mind Years

Some years ago, I wrote a book called the Emperor's New Mind and that book was describing a point of view I had about consciousness and why it was not something that comes about from complicated calculations.

- Roger Penrose

Beauty

But I think it is a serious issue to wonder about the other platonic absolutes of say beauty and morality.

- Roger Penrose

Feeling People

People think of these eureka moments and my feeling is that they tend to be little things, a little realisation and then a little realisation built on that.

- Roger Penrose

Trust

This book is about physics and its about physics and its relationship with mathematics and how they seem to be intimately related and to what extent can you explore this relationship and trust it.

- Roger Penrose

Consistency

As you say, the way string theory requires all these extra dimensions and this comes from certain consistency requirements about how string should behave and so on.

- Roger Penrose

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Progress imposes not only new possibilities for the future but new restrictions.

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Any man who can drive safely while kissing a pretty girl is simply not giving the kiss the attention it deserves.

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Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

- Albert Einstein