Crosswords0 min ago
Science
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Does anybody know where I can buy activated zinc sulphide in the UK? I'm trying to build a spinthariscope.
With the Earth travelling near to 65,000mph why is there no sonic bang?
I noticed a white powdery substance breaking up and coming off a tag on a computer lead . The white powedery bits is coming away leaving a transparent plastic behind . Originally , the tag was all...
Probably an old chestnut, but it's been worrying me since schooldays - and that's a long time. A train is heading down the track and a fly is travelling up it. The two collide. The fly's velocity has...
Electronegativity of course is greatest among the elements on the far right of the periodic table than the alkaline and alkaline earth metals on the far left. it is a periodic property which increases...
In the film "LIVE", 6 people play russian roulette. There is one gun with one live bullet, out of the six people each one is picked at random and fires the gun against their head. What is...
I just wondered if there was a way of preventing my white gold ring from reverting back to its yellow gold colour. I vaguely remember in my chemistry lessons at school learning about how steel ship...
I have been told that the rust spots in my s/s sink are caused by having a plastic washing up bowl in the sink. It seems to me to be a ludicrous statement bearing in mind that my previous s/s sink...
HI having some trouble with this question for my nutri-biochem course at uni any ideas welcome thanks!! Feed enzymes, when heated to elevated tempera- tures in solution, generally lose activity far...
Look at my 2 posts below and tell, me have I explained the questioon badly or are there more than the average amount of numpty insomniacs stalking the section at night when they think the intelleigent...
Why do I feel so much colder on a damp day than when its much colder but dry. ? Or is it just me ? Recently we have had several days of severe frosts and 5* below freezing temps and its been quite...
and if so, why?
Im going to assume that this is due to certain effects or lenses being used, But is there anywhere on earth that the sun does actually look bigger as it sets over the sea or the moon looking bigger as...
Been having a debate with a friend over sun burn and when/where you are more likely to get burn't. This has come about as we are going to Egypt in May when the temperature then can be in high 30's. I...
A computer program has been written to detect mutations that can cause cancer. http://www.bjhcim.co.uk/news/2009/n909013.htm What is the likelihood that a device could not only detect these mutations...
What is the function of the WAVE GUIDE COVER and how does it work ?
What happens if the applience is switched on without this cover?...