Recent content by dansydney

I remember reading a lengthy report a few months back about the soil that certain tobacco was grown in. It seems certain brands grow their tobacco in soils containing radioactive elements and these can be transferred to the plant and therefore into the ciggarettes that you smoke. It also noted...

Of course were not responsible for an Israeli soldiers decision on the ground but we did put the gun in his hand

I think a lot has to do with funding Israel and selling them weapons and jet fuel etc. I seem to recall seeing older videos where terrorists weren't angry so much at America itself, but wanted America to stay out of Israel and the middle east and let them deal with themselves. I think that is a...

I think there are many viable clean power solutions out there its just a matter of people willing to build and fund the required plants, machines etc. I think its much harder fighting the greed and politics associated with world energy usage than the actual making/finding etc of a clean energy...

I agree with moonbear that my writing skills aren't too great. This is what I'm talking about though because nothing we learn from year 8 onwards has anything to do with correct writing and as I said punctuation and spelling are not necessary to gain top marks. I agree English should be...

What did you mean by 4-10 years? I've only got one year left and as for communicating clearly in writing as you can see I can not do that so well as it is and this is after years of schooling where I have gained well in English throughout. This is what I was aiming to say in my post, you can get...

As a student who does well in Science and Maths I come across the question all the time of why English is taught as a compuslory subject in yr 11 and 12 (In Australia). This is the only subject that is compulsory with maths not being compuslory anymore. Now I can understand the teaching of...

I believe that when something like petroleum is burned that only something like 1% is converted to energy, the rest just changing state to carbon monoxide and water. I assume that in a nuclear explosion that most of the mass of the plutonium or uranium is converted to energy. Thats what a...

Thanks. I have a feeling my teacher may have made a typo because of the little amount of knowledge available on the subject.

Ive been to the local library although they do not have many books related to physics and cosmology. Internet searches mostly come back with Aristotle and Ptolemy. I've written about them but the most ancient I can find is from around 300BC not 3000BC.

Gday, I'm currently doing a major yr 11 assignment on cosmology for physics. One of the questions in this assignment was about the historical developments of various models of the universe over time. I've mentioned the geocentric and heliocentric models but the question also asks about the...

I sort of get what your saying. I am only a yr11 student so I haven't covered all the limits topics thus far.

On the side a bit, is 1/3 equal to 0.3333 because the 3's are infinite, the same with 2/3 the 6's are infinite. Are 1/3 and 0.333(repeater) really the exact same number? 1/3 is one third of something whereas 0.333 is 0.333 of something and nomatter how many 3's are added it will not give the...