In principle, commercial aircraft do not just crash, even at low speeds. They are designed in such a way that they already have lift even at speeds of only 280 kilometres per hour. The lift is caused by the special shape of the wings. The wing deflects the air downwards and thus generates its own lift upwards. This works well as long as the air flows cleanly to the rear at the surface of the wing. In the rear wing area, a larger air volume is created and thus a negative pressure, which virtually pulls the wing upwards. High angle of attack triggers vortex on the upper wing surface But this only works if the wing is at the correct angle of attack to the surrounding air. If the angle becomes too steep (more than about 15 degrees), the streamlines at the rear end of the wing will separate from the wing's surface. Vortices are created. This is already a first warning sign. Watch video 02:02 Share Flight recorders found Send Facebook Twitter google+ Whatsapp … [Read more...] about Why do airplanes stall and why is it so dangerous?
I close my eyes and can see only sequins. In a field in Norfolk, every inch of an old barn is covered in excessively garish Christmas glitz. Carousel horses dangle from the ceiling and a harp is tucked between two enormous snowmen. The annual Thursford Christmas Spectacular, which must be using the entire country’s reserves of rhinestones and fairy lights, started as a small carol concert 43 years ago. Under John Cushing’s direction, it has grown into a staggering, glittering, screwball revue; a festive fever-dream of outrageous talent and suffocating joy. For the last two months of the year, the steam engines that normally form the family-run Thursford Collection (founded by Cushing’s father) are pushed aside, covered in fake snow and straddled by animatronic polar bears. Focus is redirected to the 45 metre-long stage that hosts 150 performers with a bewildering cannonball variety of acts: nail-biting roller-skating, camp a cappella, angelic carols, a hoedown, aerial … [Read more...] about Thursford Christmas Spectacular review – a sugar rush of festive cheer
SIR – Surely now is the time for the Queen to cut to the chase and place the Duke of York safely out of harm’s way, possibly in the Australian outback, where he can do no further damage to the monarchy. At this time of great concern for our country we do not need his sordid details taking up valuable space. We are fighting for our survival as it is. Let him sort his own problems out, without any further advances from the public purse. Nearing the end of her reign, the Queen needs our continued love, not sympathy for her errant son. G T Higgins SIR – The maxim “Never complain, never explain”, coined by Benjamin Disraeli, has been a guiding mantra for the Royal family and our... … [Read more...] about Letters: The last thing Queen and country need is the Duke of York’s imbroglio
Bangladesh has been forced to import planeloads of onions as the price of the cooking staple soared to record highs, an official said, with even the prime minister chopping the bulb from her menu. The price of onions – a sensitive subject in south Asia where shortages can trigger widespread discontent with political ramifications – has climbed to eye-watering levels in Bangladesh since neighbouring India banned exports in late September after heavy monsoon rains reduced the crop. One kilo of the vegetable usually costs 30 taka (US36c) but has soared to up to 260 taka after the ban was imposed. Hasina’s deputy press secretary Hasan Jahid Tusher said onions were being imported by air freight, and that “prime minister (Sheikh Hasina) said she has stopped using onion in dishes”. None of the dishes at the PM’s residence in Dhaka on Saturday contained onions, he added. Local media reported several onion consignments arrived at a major port in Chittagong … [Read more...] about Bangladesh flies in planeloads of onions amid national outcry over shortage
She regularly turns heads in showstopping ensembles. And Mollie King looked incredible as she dressed up for the Christmas season in Littlewoods' partywear collection during a photoshoot in Munich, Germany. The former Saturdays singer, 32, reclined on a set of old wooden stairs in a soft pink and black wrap dress while wearing a striking pair of strappy leopard print sandals in one image. Stunning: Mollie King looked incredible as she dressed up for the Christmas season in Littlewoods' partywear collection during a photo shoot in Munich, Germany Her cropped blonde tresses were lightly curled, while a brown smokey eye enhanced her striking grey eyes and her lips had been painted a neutral nude shade. RELATED ARTICLES Previous 1 Next Maura Higgins and Ferne McCann sport dramatically plunging... Mollie King opts for androgynous chic in a black tuxedo... Vicky Pattison opts for retro glamour in a camel jumper with... Strictly pro AJ Pritchard's girlfriend Abbie … [Read more...] about Mollie King stuns in Christmas-ready ensembles as she poses in glittering dresses for Littlewoods’ new winter campaign