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mr_doubtfire

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mr_doubtfire

Passport?

Please can anyone settle a difference of opinion in the Doubtfire household. We would like to visit the Republic of Ireland next year. Mrs. D seems to think that we don't need passports to travel...
07:56 Mon 25th Aug 201412 answers, last by mr_doubtfire 20:59 Wed 27th Aug 2014
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mr_doubtfire

"noise"

An environmental charity I work for powers a battery operated radio from a dynamo on a stationary bicycle which children can pedal in order to listen to the radio. The trouble is when they do there's...
16:33 Thu 17th Jul 20148 answers, last by Hopkirk 06:36 Thu 14th Aug 2014
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mr_doubtfire

What Plant's This?

I've just noticed an unusual plant growing through my neighbour's hedge into my garden. I've not seen it before and they went on holiday earlier in the year to Tibet. I'm wondering if they brought...
18:41 Mon 12th May 201417 answers, last by Chipchopper 21:05 Mon 12th May 2014
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mr_doubtfire

Decorative Stone

How many one tonne bags of 20mm gravel will I require to cover 54 sq mtrs of my garden to a depth of approx 40mm?
10:39 Sun 11th May 20143 answers, last by The Builder 17:54 Sun 11th May 2014
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mr_doubtfire

Decorative Stone

How many one tonne bags of 20mm gravel will I require to cover 54 sq mtrs of my garden to a depth of approx 40mm?
10:38 Sun 11th May 20145 answers, last by Mick-the-Miller 17:14 Sun 11th May 2014
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mr_doubtfire

Headphone use on Ipod

I've just found out that our daughter's purchasing a pair of WESC bongo headphones in the hope of using them on her new Ipod touch. Would I be correct in thinking that the impedance, which is 33 ohms,...
21:20 Tue 31st Aug 20103 answers, last by rojash 21:52 Tue 31st Aug 2010
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mr_doubtfire

Breaking the sound barrier

In Stephen King's third novel, The Waste Lands, of his Dark Tower series, he refers to a train breaking the sound barrier. Now, I know a chap like King would do his research but is the...
14:37 Sun 29th Aug 201013 answers, last by 237SJ 11:52 Mon 30th Aug 2010
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mr_doubtfire

Blue sky?

Okay. The sky's blue because the light from our sun collides with the oxygen and nitrogen atoms, colours with shorter wavelengths are scattered more (violet and blue) our eyes are more perceptible to...
21:33 Wed 25th Aug 20107 answers, last by scotman 14:30 Sun 29th Aug 2010

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