nebulae

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19 08, 2017

What’s the sun made of? – Astronomy – Science

By |2018-04-24T14:46:25-07:00August 19th, 2017|Physics|0 Comments

The sun from space The Sun is a star, just like billions of other stars in the universe. Our Sun probably formed a little more than four and a half billion years ago, just a little bit before the planets formed around it. It's not one of the older stars in the Universe. Probably some of [...]

7 08, 2017

Enlightenment Science in Europe

By |2019-05-29T07:46:59-07:00August 7th, 2017|Math, Modern Europe, Physics, Science|0 Comments

Gottfried Leibniz, a German mathematician - Enlightenment science What set off the Enlightenment? By 1650 AD, Europeans understood Islamic algebra and trigonometry better. Then they combined that with the exciting invention of the telescope and microscope (thanks to earlier Islamic work on glass). Together, these two new things led to a lot more new scientific discoveries. Medieval and modern glass Medieval [...]

2 06, 2017

What are amino acids? Organic chemistry

By |2019-01-24T12:13:44-07:00June 2nd, 2017|Biology, Chemistry|0 Comments

A model of the amino acid molecule glycine (red is oxygen, black is carbon, yellow is hydrogen, and blue is nitrogen atoms) What are amino acids? Amino acids are molecules made out of hydrogen, oxygen, carbon, and nitrogen atoms (and a little sulphur). More about hydrogen What are molecules? All our chemistry articles When [...]

2 06, 2017

What is hydrogen? Atoms and Chemistry

By |2019-09-05T20:42:16-07:00June 2nd, 2017|Chemistry|0 Comments

A diagram of a hydrogen atom Hydrogen is the simplest kind of atom Hydrogen is the simplest kind of atom, and in the very earliest days after the Big Bang hydrogen was the only kind of atom in the new Universe. What are atoms? What's the Big Bang? All our chemistry articles A [...]

2 06, 2017

What are hydrocarbons? Simple chemistry

By |2019-09-05T17:44:58-07:00June 2nd, 2017|Chemistry|0 Comments

A model of a methane molecule - the simplest of hydrocarbons A kind of molecule Hydrocarbons are molecules. They are made out of hydrogen atoms and carbon atoms. Methane is the simplest hydrocarbon molecule. It's just one carbon atom with four hydrogen atoms stuck to it. What is hydrogen? What is carbon? More [...]