:00:09. > :00:12.You're watching Newsround with me Ayshah.
:00:13. > :00:15.First, to the multi-million-pound museum makeover.
:00:16. > :00:18.The Imperial War Museum in London is reopening its doors this weekend,
:00:19. > :00:25.The centre of the museum was rebuilt to create bigger spaces.
:00:26. > :00:28.Hundreds of items, from tanks to tunics, have been restored.
:00:29. > :00:32.The museum has also brought together more than 1,000 objects
:00:33. > :00:35.for new displays marking 100 years since the start of World War One.
:00:36. > :00:45.The BBC's Robert Hall showed us around.
:00:46. > :00:51.Hello, Newsround. If you thought you knew the Imperial War Museum from
:00:52. > :00:56.school trips, you will be surprised next weekend. Lots of technology is
:00:57. > :00:59.here to tell stories from history. You can choose documents and
:01:00. > :01:04.photographs to choose the bits you are interested in. Did you know for
:01:05. > :01:09.example that back in 1915 you would only have to be this high to join
:01:10. > :01:12.the Army? World War I saw horrific numbers of men killed and injured
:01:13. > :01:19.and that was often down to massive guns like this one. British
:01:20. > :01:22.artillery in one week could fire 1.5 million shells into German
:01:23. > :01:27.positions. This is so big and heavy the gallery has had to be built
:01:28. > :01:30.around it. Towards the end of the war, the first tanks came into
:01:31. > :01:34.service. This is climbing over a trench and you can walk through it.
:01:35. > :01:38.All around you, the sounds of battle and in the walls you can see the
:01:39. > :01:42.figures of the men fighting on the Western front. If you want to see
:01:43. > :01:46.this and the rest of the museum, it opens on Saturday.
:01:47. > :01:50.Next, it's been hot and sunny in many parts of the country today
:01:51. > :01:54.Forecasters say a heatwave is on the way for the Midlands
:01:55. > :01:59.The Met Office says Friday could be the hottest day of the year.
:02:00. > :02:02.Health officials are telling us to take care by drinking lots of water,
:02:03. > :02:05.using sunscreen and staying out of the sun at the hottest time
:02:06. > :02:11.Last up, want to see a cool robot doing some cool tricks?
:02:12. > :02:23.You might remember this one, he has been here since 2006 but now he has
:02:24. > :02:30.showed off news tricks. Like going up and down tears. -- stairs. It
:02:31. > :02:36.might seem easy but it is difficult for a robot. He has been developed
:02:37. > :02:42.to pick up a card, open a lead and pour into a cup without spilling. We
:02:43. > :02:45.think humanoid robots will be part of life in the future but that is a
:02:46. > :02:47.way off yet and for now we will have to enjoy seeing him asking his moves
:02:48. > :02:54.to the cameras. Don't miss tomorrow
:02:55. > :02:56.morning's Newsround at 8.15. Hayley will be talking live to the
:02:57. > :02:59.12 year-old girl who's mum helped make the famous loom band dress
:03:00. > :03:01.that sold online for ?170,000!