Sunday, 3 June 2018

Be Unsuccessful: It is not all that bad - Introductinon

The introduction to a Podcast series on how not being that successful sets you free. Podcast

Physics Exam Revision 2017 Quanta to quarks

Quiet a nice paper of 5 questions.  The official view on proton and neutron beams seems odd. Link to paper Podcast

Physics exam revision 2017 Medical Physics

I am a bit rusty but there are a few shocks and strange official answers here. This is the link to the section. Might be of interest to those outside Australia as the science is the same. Podcast

Saturday, 2 June 2018

Rocket Fuel and fun chemistry.

Nitrogen chemistry just keeps giving. Hydrazine is rock fuel, makes metals young again and add a fizz to you cup (puts the bubbles in plastic. I really love this one . . . it is beaut. Podcast

Bruno got burnt and the stake, but there a lot to the story.

My heart really goes out to this guy. He really upset almost everyone he met. He was lost in the world before science and had a number of brushes with the inquisition. Podcast

Simple solid state exam question.

General knowledge is tested in this exam question which spans Bragg, doping a semiconductor and an application of superconductors. Podcast

Friday, 1 June 2018

Difference between Transformer design and magnetic breaking design.

Tackling this 2017 exam question backward gets to the heart of the Physics. There seems to be a lack of understanding of the figure 8 eddy current generated in breaking. Podcast

How do you prove Special Relativity.

A final year 2017 school Physics exam question is answered. Listen to a question that is turned around backward and then systematically answered. Podcast

The stuff that explodes in air bags.

Azide Az for the nitrogen, ide for the negative ion just like chloride. The salt sodium azide could blow your mouth off if you had it on your chips. Podcast

Thursday, 31 May 2018

Molecular tour of the Heme & why you Poo is brown

If Pyrroles made your mouth water wait till you see four them framing iron in the heme molecule! What beautiful vocalized Pi orbitals. Podcast