Over Longjourneys News Today : Breaking News, Live Updates & Top Stories | Vimarsana

supreme leader ayatollah khamenei says no—one should here think they can turn over the islamic republic. crowds have once again filled the streets where dozens of people were reportedly killed by security forces. now on bbc news, click. this week, we are celebrating 100 years of the bbc in 23 minutes. 100 years of the bbc in 23 minutes-_ 100 years of the bbc in 23 minutes. ~ ., ., ~ ., minutes. we will look at the secret behind _ minutes. we will look at the secret behind the _ minutes. we will look at the i secret behind the broadcasting technologies that changed the world. b, tec...

of england as we go through the night. elsewhere, a quieter night, a drier night and across the north—west of the uk we will see the best of the sunshine during tomorrow and especially a nice—looking day for parts of western scotland. clear some eastern coast. showers and thunderstorms in the south drifting north and will tend to to weaken, temperatures highest in western scotland, to 22 degrees. hello this is bbc news. the headlines... buckingham palace says the queen won't be attending the derby tomorrow but is expected to watch it on television at windsor castle. her majesty w...

Lot more ships than anyone else anywhere in the world and their maps all needed to follow a strict format so they could figure out where they were. the centre of all british nautical charts was the greenwich meridian, o charts was the greenwich meridian, 0 degrees and each vessel also kept a fancy clock on board that told them local time at the meridian and help them to calculate their position really precisely. over long journeys, position really precisely. over longjourneys, how position really precisely. over long journeys, how could the captains keep those clocks accurate to the second? we...

And helped them to calculate the position really precisely. over longjourneys, how could captains keep those clocks accurate to the second? well, to bring in the new year in 1923, the bbc ran an experiment to broadcast the midnight bongs of big ben on the radio. it was a bonging success and the following year the first fully accessible time signal, the greenwich time signal, started to be broadcast every hour. it hasn't stopped since. the pips, as they were known, were generated by a swinging pendulum fitted with electrical contacts. so now you could have accurate greenwich mean time literally...