Cloud storage is a form of online storage. It is an internet hosting service, run by a third party, that allows user files to be held and accessed from different computing... (read more)

Smoke alarms usually work by optical detection, which means that they detect small changes in the light to identify smoke in the air, which then triggers an alarm. There are also ionisation smoke detectors, which produce ionisation in the air using a... (read more)

A synapse is the means by which a neuron is able to pass a chemical or electrical signal from one cell to another. The word synapse comes from Greek words meaning 'to clasp together'. Neurons are cells that pass 'messages' to certain other cells, and... (read more)

The line that comes out as No. 1 in quite a lot of listings is quite an old one, from the 1989 Batman movie; 'You ever danced with the Devil by the pale moonlight?' This line is uttered by both Batman and the Joker at different times (the Joker claims... (read more)

Yes, he did; his stunt double was - or is, as the film isn't out yet - Stuart F Wilson. Wilson is a martial artist and veteran stunt double, whose 25 years of work include Indiana Jones and GI... (read more)

This is the Africa Cup of Nations, which because of sponsorship is sometimes called the Orange Africa Cup of Nations. The 2012 tournament was the 28th and was held in Equatorial Guinea and Gabon. The Africa Cup is organised by the Confederation of African... (read more)

Your definition of the best will depend on factors like how far you (or your child) want to focus on tennis alone, and how important you think it is to develop other areas too. The main thing is only to look at places that are connected to the Lawn Tennis... (read more)

The current favourite to win is Serena Williams. The odds on her are 4/5 and she has just won her first round 6-1, 6-1, which may shorten them even further. She... (read more)

Most people would agree that the best album is Time Out, which was recorded by the Dave Brubeck Quartet in New York in 1959. It contains the world-famous 'Take Five', which... (read more)

The answer to this is now known, but many sports fans would have guessed it in advance: It was Usain Bolt. Halfway through the race, Bolt pulled away from his competitors, making it look effortless. He finished in 9.63 seconds; this beat the previous... (read more)

The top seed for this year's tournament is Roger Federer, and he is the favourite to win. He is currently the Wimbledon and Champion and has won the US Open 5 times already, so it will be no surprise if he wins this time. Another possible winner is Serbia's... (read more)

If you look at Tim Henman's whole career, he has actually been consistently a successful player, even though he never made the finals of any of the top world events. His first major public achievement was reaching the quarter finals at Wimbledon in 1996... (read more)

This was written by Paul Desmond, a jazz alto saxophone player from San Francisco. He composed 'Take Five' for the Dave Brubeck Quartet. This band was founded in 1951 and for many years was based in the Blackhawk Night club in San Francisco. 'Take Five'... (read more)

So far there have been 11 Doctors. This may stay the same for a while as the current Doctor, Matt Smith, has lately said that he is in no hurry to leave, and he is very popular so the BBC isn't likely to change him for a while either. The first Doctor... (read more)

There are 105 Wagamama restaurants altogether. More than a half of these (66) are in the UK, as the chain has its HQ in Britain. The first Wagamama outlet opened in London in 1992. Although the name is Japanese and the general style of the restaurants... (read more)

It's all about planning. You need to get out your calendar and work out, as exactly as possible, how many days or hours you have until the deadline. Then look at the project and try and work out how long it will take. Once you have done that, unless you... (read more)

The first Olympic-style games specifically for people with a disability were held in London in 1948 along with the London Olympic Games of that year. These were the idea of Dr Ludwig Gutman, who specialised in spine injuries and was working at Stoke Mandeville... (read more)

Ground Zero is the name given to the site of the Twin Towers of the World Trade Center which were destroyed in New York on September 11 2001. It became known as Ground Zero because this phrase means the point on the Earth's surface closest to where an... (read more)

Mark Zuckerberg is the best known of the four founders of Facebook, of which he is now CEO and chairman. He began work on a social networking site while still studying computer science at Harvard, which soon evolved into Facebook. It had about 500 million... (read more)

The salary range for an online community manager in the UK is from about £17,000 per year to over £35,000 depending on role, area and experience. So that would be an average of about £26,000. If you want more exact information, please click here... (read more)