u. mussa, a political analyst. welcome to you all, mike. 80 for coming to 1st. what hasn't or what has president hurry done since the last election that has got the country into such a mess? well i think process about my missing is i believe that's what the protection of the students did show us the student needs to go to the doctor who and who there in washington. given that there are demonstrations in a boucher lake os port, harcourt is clearly a good strong degree of coordination. is it your sense that this is beginning to look like an anti bu hurry movement? oh yeah, i mean it's clearly and highly movement. all several behind the protest, right? that's not new. we saw that during and after the end sized movements last october. so yes, i mean that certainly several elements of major in society, better dissatisfied with the team. hello mr. in coventry that cracked, and that america, and who is talking about, how was that handled in your opinion? i mean, arguably, it made the situation worse, not better. definitely. the abduction was still ongoing. the police a

u for uncle and elio mussa and thank you to for your company. you can see the show again anytime via the website out 0 dot com. and for more discussion, go to our facebook page. that's facebook dot com, forward slash ha inside story. you can also join the conversation on twitter handle as ever at ha insights stores for me, peter toby and the team here in doha. thanks for watching. we will be very soon for the moment. bye bye. i the news news news, news me next to shoot science in a golden age. i'll be exploring the contributions made by scholars during the medieval atlantic period in the field of engineering. the height of sophistication in mechanics at the time was the extravagant elephant clock, ah, written around $85080.00. the book contains a range of ingenious inventions and contractions, science and a golden age. with jim alkalinity on al jazeera ah al jazeera, i went a little when the shots came from the holiday and we heard cracks, we heard some noise which was known as my finale is one in the most dangerous intersections. and i thought

u. k. he builds and tests historic inventions. and currently he's reconstructing one of the ben mussa brothers, most complicated devices. ready the flutes, which plays itself by jim, here's the device. fantastic. are you even got little kerrick? yeah, yes. so the venue most of brothers a said to have built, wrote about that. played out how much detail was there that you could get hold of to allow you to reproduce while there was a reasonable amount. there are references, but there are different apparently different translations. so some things are not entirely clear. presumably modern scholars historians looking back at this, there's a lot of guesswork and about how they solve the problem. they said talk me through it. how does this work? right? well, the basic principle is that there is a drive wheel here which operates this rotating drum. that would have been water power is a riley. and there are a series of effectively cams, which lift little arms which then seal or unseal. they tone holes only on the flute . an air comes, passes through comes in here. okay, what can we have a demonstration? we can air on get a littl