Archive for the ‘mobile phones’ tag

Music and teenagers

Teenagers listen to a lot of music, mostly whilst doing something else (like traveling or using a computer). This makes it hard to get an idea of the proportion of their time that is spent listening to music.

They are very reluctant to pay for it (most never having bought a CD) and a large majority (8/10) downloading it illegally from file sharing sites. Legal ways to get free music that teenagers use are to listen to the radio, watch music TV channels (not very popular, as these usually play music at certain times, which is not always when teenagers are watching) and use music streaming websites (as I mentioned previously).

Almost all teenagers like to have a ‘hard copy’ of the song (a file of the song that they can keep on their computer and use at will) so that they can transfer it to portable music players and share it with friends.

How teenagers play their music while on the go varies, and usually dependent on wealth –with teenagers from higher income families using iPods and those from lower income families using mobile phones. Some teenagers use both to listen to music, and there are always exceptions to the rule. A number of people use the music service iTunes (usually in conjunction with iPods) to acquire their music (legally) but again this is unpopular with many teenagers because of the ‘high price’ (79p per song). Some teenagers use a combination of sources to obtain music, because sometimes the sound quality is better on streaming sites but they cannot use these sites whilst offline, so they would download a song then listen to it on music streaming sites (separate from the file).

Sometimes, watching live music is the best experiences for teenagers. They are willing to get US AIRWAYS CENTER TICKETS, Comfort Dental Amphitheatre TICKETS, COORS FIELD TICKETS to experience live musics and sports.

radio on vacations

waves. His work was largely misunderstood so it wasn’t until about three decades later that the first radio’s were developed.

Even to this day there is considerable debate as to who actually invented radio. Guglielmo Marconi is generally credited with radio’s invention although in 1933  a US supreme court decision revoked Marconi’s patents in favor of Nikola Tesla. Despite this there is no doubt that Marconi achieved a number of milestones in the development of radio including the first trans Atlantic radio message.

The German physicist Heinrich Hertz could also be credited with radio’s invention and was the first to actually demonstrate the existence of radio waves in 1893. Around about two years later Marconi unveiled a practical radiotelegraph setting in motion a revolution that led to radio, radar, television, mobile phones and many other icons of our technological age.

Early radio transmitters were rudimentary devices that created a spark between two small metal spheres one of which was connected to a length of wire called an antenna. Looking at the illustration we can follow the sequence of events.

A telegraphers switch briefly supplies current to the primary windings of a transformer. The sudden surge in voltage is multiplied in the transformers secondary winding causing a strong spark to jump between two closely mounted metal spheres. A long piece of wire called an antenna would then pulse with electric charge and in doing so emmit radio waves.

with radio you can get useful information for your life,including your vacation. for example,go to the myrtle beach resort and you will find the commercial radios discuss about myrtle beach resorts and Myrtle Beach Accomodations. the facilities of Myrtle Beach Accommodations provide you the ultimate satisfactions about your holiday,and you can just listen by the radio broadcastings.