The traditonal windmill has a 'paddle' behind the blades which ensures that the mill always faces into the wind. Presumably modern electricity generating wind turbines change direction - but how?
Post Offices and bansks used to have notices about these. Occasionally I get offered ones in change in supermarkets etc with a trace of scarlet ink on one edge. Presumably they are likely to be...
My Octavia 1.8 diesel nsf tyre started to wear badly on outside edge so I took the car to Kwikfit and was told the tracking was out by 3-4mm. I paid nearly ?25 to have this corrected. A lot of money...
Around 1950, in a GCSE or mock exam, a question asked, Define / discuss [or whatever] When the monkey is king, everyone shall bow [or kneel] before him. Any ideas about where this might have come...
Many years ago, (1970?) on the Thought for the Day BBC radio programme, the speaker said words something like, Start by loving your neighbour and end up loving his wife. Can anybody pinpoint this...
It was always said that even if you could build a battery as large as Everest, no more than 1.8 volts could be had from it. The digital camera I bought came with two batteries each marked showing a...
It didn't work well on my laptop and they persistently refused to answer questiions, so I had to abandon the trial. The icon remains on the toolbar and somewhere I saw advice on how to remove it. If...
A house with a goldfish bowl with a fish which swims round and round. And a cat which sits watching for his moment. One day, the cat goes out; the goldfish swims round *vertically* going faster and...
Several phrases flash past in the bottom ribbon before connection but unless 'Connecting to site nnn.nn.nnn.nn'. appears, the connection fails. When started after total shut down, the computer will...
It has always irritated me that the energy arriving after a journey of 80 million miles from the sun, is impeded by a comparatively insignificant layer of cloud. Obviously some of the energy gets...
From the journal of Alfred Harris a Glos, Forest of Dean man. Grammar and spelling varies; information fascinating. May 31 1878 When the german iron Clad fleet was passing Deal the Koneg wilhelm run...
When I enquired at the desk in the Science Museum London 3 years ago, nobody had heard of this man. I wanted to see anything they had on his linear motor. I saw a TV programme some years ago, which...
BBC TV ran a series of films probably in the 1980s, including one scientist who called into question what he was seeing through his electron microsope. The cells he examined were all on the same plane...
But I don't understand the arithmetic of what happens if the same share is rebought during the subsequent 30 days. Shares bought for ?1000, sold for ?1500 = ?500 capital gain. Same share not rebought...