Physics – a natural science

The name “physics” came from Greek, meaning “nature”. Indeed, physics could explain the whole universe with its complicated string theory. To me, chemistry and biology are actually physics. At the end of the day, substances and all reactions are made of particles and the forces among them.

This is a talk by Professor Michio Kaku which could give anyone inspiration for the science

Bonus for anyone interested in string theory:

It would be amazing to think that the smallest particles are not particles but “dancing” filaments of energy. Different dancing patterns will give us different recipes to make particles, then we have different things in the world. Generally, things are energy and energy are things!

To me, the statement is so true because of two reasons:

– It is actually isomorphic with the formula E=mc2 by Einstein.

– The number of Dancing patterns is unlimited and that’s why scientists keep discovering lots of new particles.

And I have a couple of thinking:

– The Universe (in capital, meaning the universe that we are living in) is made of energy! Then is it possible that our Universe is just a dancing filaments in other universes?

– Dancing filaments make particles, is it true to say if they dont dance, they make “the dark energy”?

– What make them dance? (or easier, what can we do to change the dance patterns, so we will be able to transform particle)

– Do the filaments have anything to do with Higgs Boson?

You might have more questions than me after watching this talk by Bryan Greene

and Introduction of String theory by Michio Kaku:

P/S: non-matter “dark energy” is different to “dark matter”.

These are some assumptions about dark matter:

How we know that the universe is expanding:

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Should Australia become world’s nuclear waste dump?

This plan was initiated by John Howard and George W. Bush in 2009 and now is being supported by Alexander Downer of the Liberal Party. For the enormous economic benefit, more and more people back the plan. I personally go for the other way, because of 4 reasons:

1/ Since you have “imported” the waste, there is no way to return it back, meaning high irreversibility .

2/ The nuclear “waste” will remain radioactive for thousands of years. For such a long time, the risk of leaking out is high.

3/ Australia’s reputation is about an environmentally friendly and safe country. It is an ideal place for nature tourism and eco-tourism. You dont want visitors to think that now it is a dump and they have to watch out for any thing they drink or eat.

4/ An essential condition for a good nuclear waste dump is being dry, which WA is quite eligible for. However, it might be different in the next thousand years. Was it very dry in Queensland some decades ago too? and now? flooding in recent two years!! Imagine what happens if there is a flood of nuclear contaminated water flowing on the flat WA?

Those are what occurred straight away in my mind since I heard the news.