well, the boeing did this just to show the maintenance the technicians always keep an eye on plane windows because they're a natural weak spot in at craft. the riskiest parts of a flight all take off on landing to make them safer. tests are conducted to determine the optimum speeds to ease your mind. just remember when it comes to vital instruments like the altitude, indicate that an aircraft always has more than one plus, while several 100 people die and playing cautious every yeah, the sun show that more people are killed on their way to the airport pop something to bear in mind, the next time you encounter inside turbulence is know when now safe from the intrusion of robots. they work in fine to raise with us or each other and can also support the human co workers via virtual reality headsets. and now there's another news i mentioned computer technology that enables factories and products to get digital twins, thousands of miles away. sounds 13, stay tuned. the almost 50 years old. this evening's factory was in danger of being shut down before being saved by digital tweeting technology