is the World Cup hollow?

By mrmackenzie, June 14, 2010 9:26 am

FIFA claim that the cup is

made of solid 18 carat (75%) gold

but Professor Poliakoff from The Periodic Table of Videos has been looking at data for the trophy and, using the density of gold, he reckons it is hollow.

The wikipedia page the professor mentioned is here.

Interestingly, the professor’s calculator looks almost as old as mine.

Higher webtribe solutions site

By mrmackenzie, May 25, 2010 10:52 pm

I had a comment that the Higher solutions on the webtribe site were no longer available.  I can’t get in to them either but I do have a copy of the site that I use in school when there are filtering issues.

I have uploaded my version of the site to

http://www.mrmackenzie.org/webtribe/ie.html

I hope the person who created the original site does not mind me mirroring the content. Please get in touch is this is a problem and I will remove it.  Obviously I am only interested in making this available until Friday.

AH simple harmonic motion

By mrmackenzie, May 24, 2010 10:15 pm

Some revision notes on SHM.

AH doppler effect

By mrmackenzie, May 24, 2010 10:14 pm

Notes on the Doppler Effect from unit 3.

AH waves

By mrmackenzie, May 24, 2010 10:13 pm

This summary is for the describing waves part of unit 3 – not the whole unit.

AH magnetic fields

By mrmackenzie, May 24, 2010 10:11 pm

Magnetic field study notes.

AH electric fields

By mrmackenzie, May 24, 2010 10:10 pm

Some notes for electric field revision.

AH whole course notes and problems

By mrmackenzie, May 24, 2010 10:08 pm

These notes are from Hermitage Academy in Helensburgh.  Use them to help prepare for Friday and think kind thoughts about the generous people who produced them and agreed to share.

AH past paper solutions – 2006

By mrmackenzie, May 23, 2010 11:27 am

Here are the specimen solutions to the 2006 Advanced Higher Physics paper.

AH past paper – 2006

By mrmackenzie, May 23, 2010 11:25 am

Here is the Advanced Higher Physics paper from 2006.

This paper is reproduced to support SQA qualifications on a non-commercial basis according to SQA conditions of use.

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