Skyscraper shorter than the W350 Project despite having 10 more stories. Wooden skyscrapers are estimated to be around a quarter of the weight of an equivalent reinforced-concrete structure as well as reducing the building carbon footprint by 60–75%. Buildings have been designed using cross-laminated timber (CLT) which gives a higher rigidity and strength to wooden structures. CLT panels are prefabricated and can therefore speed up building time. Skyscraper A skyscraper is a continuously habitable high-rise building that has over 40 floors and is taller than approximately . Historically, the term first referred to buildings with 10 to 20 floors in the
Encyclopædia Britannica the "Britannica" the "Patriarch of the Library". In a related advertisement, naturalist William Beebe was quoted as saying that the "Britannica" was "beyond comparison because there is no competitor." References to the "Britannica" can be found throughout English literature, most notably in one of Sir Arthur Conan Doyle's favourite Sherlock Holmes stories, "The Red-Headed League". The tale was highlighted by the Lord Mayor of London, Gilbert Inglefield, at the bicentennial of the "Britannica". The "Britannica" has a reputation for summarising knowledge. To further their education, some people have devoted themselves to reading the entire "Britannica", taking anywhere from three to