David Lau

Month

November 2015

Reflection on Thanksgiving

Here I am in Las Vegas again to spending Thanksgiving Holidays. I must have been in Las Vegas for more than 60 times in the last 20 years, making this City of Sin my second home town where I am… Continue Reading →

Celebrating Einstein’s Legacy —–General Relativity

We have more reason to celebrate in the month of November besides Thanksgiving holidays. This year is the 100th birthday of¬†Einstein’s theory of General Relativity.¬†Since I will be in Las Vegas during the holiday season, there’s more reason and a… Continue Reading →

Fine-structure constant

In physics, the fine-structure constant, also known as Sommerfeld’s constant, is a fundamental physical constant characterizing the strength of the electromagnetic interaction between elementary particles. This constant is expressed by combining several other fundamental constants of nature:        … Continue Reading →

On Dark Matter

What can I say other than I am a strong supporter for dark matter theory. Dark matter is thought to make up 80% of the matter in the universe and because they do not interact with ordinary matter except via… Continue Reading →

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