knowledgechest4u

August 31,2019 Twitter account of CEO of twitter, was hacked today with series of tweets containing racial slurs, bomb threats, pro Nazi statements. One of the tweet "intel is there is a bomb at twitter headquarter" raised alarm in twitter headquarter. Twitter reported that they are looking in the matter and trying to found out authenticity of threat. All the tweets were deleted in an hour and Investigation in the matter is started.

We all know about Israel's mission to moon named Beresheet . Mission which was launched with help of SpaceX rocket Falcon 9 B-5 . Unfortunately it crash landed on moon and they loose contact to there lander. But one interesting thing about this mission was that, this mission was also carrying Tardigrades. So Let us know what are these creatures and how much tough they are : They were first described by German Zoologist Johann August Ephraim Goeze in 1773 who called them little water bears .                                                                                                            There official name was given by Italian biologist Lazzaro Spallanzani which is Tardigrada  .Tardigrades are also called as water bears or moss piglets.                                          These tiny little creatures are of half millimeter of size , 5 times the diameter of human hair .          Tardigrades are 8 legged water dweller belongs to kingdom animal

Do you ever wondered that how astronauts live in ISS(International Space Station despite of any gravity,atmospheric pressure  and many thing else). If you think the same then you are on the right page We  have seen astronauts wearing big bulky space suits which seems very uncomfortable right... Yes , but that doesn't matter if it is there to make you live in space. So lets start to reveal these secrets one by one 1. Why astronauts wear white color spacesuit?? Photo by  History in HD  on  Unsplash We know everything space scientist do is on purpose right!! As we know that space consist extreme cold and hot temperature, and harmful radiation that can cause system failure of space suit like oxygen supply system, cooling system and suit on board computer and many more. Don't worry about these terms ,we will come to these terms later.  white color reflects most of the incident radiation (mostly from Sun) falling on the suit thus protect the suit to functio