Archive for July, 2009

Let there Be Light

ג וַיֹּאמֶר אֱלֹהִים, יְהִי אוֹר; וַיְהִי-אוֹר.

[3. And God said: 'Let there be light.' And there was light.]

- God, Genesis 1.

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\nabla \cdot \mathbf{E} = \frac {\rho} {\varepsilon_0}

\nabla \cdot \mathbf{B} = 0

\nabla \times \mathbf{E} = -\frac{\partial \mathbf{B}} {\partial t}

\nabla \times \mathbf{B} = \mu_0\mathbf{J} + \mu_0 \varepsilon_0 \frac{\partial \mathbf{E}} {\partial t}\

- James Clerk Maxwell (1865), ‘A Dynamical Theory of the Electromagnetic Field’, Philosophical Transactions of the Royal Society of London, 155, p. 459-512.

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Crying in the Autumn

Red coated leaves like soldiers,

Fall,

In a last salute to the sky,

Dead.

- Camilla Loyd

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Cosmopolitanism

Kwame Anthony Appiah

Appiah’s rather simplistic case is economically naïve, and shallow in places. Still, I think it largely succeeds in attaining what it sets out to do, and is yet worth reading – although the lack of depth will be frustrating to some.

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The party …

{Turley, C., Blackford, J., Widdicombe, S., Lowe, D., Nightingale, P.D. and A.P. Rees, A.P., 2006: 25. Reviewing the impact of increased atmospheric CO2 on oceanic pH and the marine ecosystem. In: Schellnhuber, H J., Cramer,W., Nakicenovic, N., Wigley, T. and Yohe, G (Eds), Avoiding Dangerous Climate Change, Cambridge University Press, 8, p. 65-70}

… is about to begin

{Turley, C., Blackford, J., Widdicombe, S., Lowe, D., Nightingale, P.D. and A.P. Rees, A.P., (2006), ‘Reviewing the impact of increased atmospheric CO2 on oceanic pH and the marine ecosystem’. In: Schellnhuber, H J., Cramer,W., Nakicenovic, N., Wigley, T. and Yohe, G (Eds), Avoiding Dangerous Climate Change, Cambridge University Press, 8, p. 65-70}

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Inference patterns

(Trans) Transitivity

p □→ q, q □→ r, therefore p □→ r

(Contr) Contraposability

p □→ q, therefore ~q □→ ~p

(Stren) Strengthening

p □→ q, therefore (p & r) □→ q

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‘amagi’ – lagash cuneiform

amagi

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Playing for Change

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A Survey of Metaphysics

E.J. Lowe

A cute and simple overview of the landscape.

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Regarding the Phylogeny of Tickle-Induced Laughter

TickledChimpanzee

{Ross, M.D. et al. (2009), 'Reconstructing the evolution of laughter in great apes and humans', Current Biology, 19, p. 1106-1111}

{Ross, M.D. et al. (2009), 'Reconstructing the evolution of laughter in great apes and humans', Current Biology, 19, p. 1106-1111}

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Sexual Behavior in the Human Male

Alfred Kinsey (1953)

The classic study.

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