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
Online encyclopedia been published. Meanwhile, in the face of competition from rivals such as Encarta, the latest "Britannica" was digitized by its publishers, and sold first as a CD-ROM and later as an online service.# In 2001, ASCII text of all 28 volumes was published on "Encyclopædia Britannica" Eleventh Edition by source; a copyright claim was added to the materials included. The website no longer exists. Other digitization projects have made progress in other titles. One example is "Easton's Bible Dictionary (1897)" digitized by the Christian Classics Ethereal Library. A successful digitization of an encyclopedia was the Bartleby Project's online adaptation of