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Science and the modern world ⠃⠗⠋ braille edition

Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.

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427,091 braille cells · 450 embossed pages at 40×25 · 306 unrepresentable characters omitted

⠁⠉⠉⠳⠝⠞⠀⠿⠀⠇⠊⠧⠬⠀⠕⠗⠛⠁⠝⠊⠎⠍⠎⠲⠀⠀⠀⠀⠠⠍⠽⠀
⠙⠊⠎⠉⠥⠎⠎⠊⠕⠝⠀⠷⠀⠮⠀⠑⠏⠕⠡⠀⠺⠀⠃⠑⠀⠃⠑⠌⠀⠊⠝⠞⠗⠕⠙⠥⠉⠫⠀
⠃⠽⠀⠁⠀⠟⠥⠕⠞⠁⠞⠊⠕⠝⠀⠋⠀⠀⠠⠋⠗⠁⠝⠉⠊⠎⠀⠠⠃⠁⠉⠕⠝⠂⠀⠱⠊⠡⠀
⠿⠍⠎⠀⠮⠀⠕⠏⠢⠬⠀⠷⠀⠠⠎⠑⠉⠞⠊⠕⠝⠀⠶⠕⠗⠀⠼⠦⠠⠉⠢⠞⠥⠗⠽⠄⠶⠀
⠠⠠⠊⠭⠀⠷⠀⠀⠦⠀⠠⠝⠁⠞⠥⠗⠁⠇⠀⠠⠓⠊⠌⠕⠗⠽⠂⠀⠠⠊⠀⠍⠑⠁⠝⠀⠦⠀
⠠⠎⠊⠇⠧⠁⠀⠠⠎⠊⠇⠧⠜⠥⠍⠲⠀⠠⠺⠑⠀⠁⠗⠑⠀⠞⠕⠇⠙⠀⠔⠀⠮⠀⠀
⠉⠕⠝⠞⠑⠍⠏⠕⠗⠜⠽⠀⠍⠑⠍⠕⠊⠗⠀⠃⠽⠀⠦⠀⠡⠁⠏⠇⠁⠔⠂⠀⠠⠙⠗⠲⠀
⠠⠗⠁⠺⠇⠑⠽⠂⠀⠞⠀⠹⠊⠎⠀⠐⠺⠀⠴⠀⠀⠉⠕⠍⠏⠕⠎⠫⠀⠔⠀⠮⠀⠇⠁⠌⠀
⠋⠊⠧⠑⠀⠽⠑⠜⠎⠀⠷⠀⠦⠀⠇⠊⠋⠑⠂⠀⠎⠀⠭⠀⠍⠥⠌⠀⠃⠑⠀⠙⠁⠞⠫⠀
⠃⠑⠞⠺⠑⠢⠀⠀⠼⠁⠋⠃⠚⠀⠯⠀⠼⠁⠋⠃⠋⠲⠀⠠⠮⠀⠟⠥⠕⠞⠁⠞⠊⠕⠝⠀⠗⠥⠝⠎
⠀⠹⠥⠎⠒⠀⠀⠀⠀⠦⠠⠭⠀⠊⠎⠀⠉⠻⠞⠁⠔⠀⠞⠀⠁⠇⠇⠀⠃⠕⠙⠊⠑⠎⠀
⠱⠁⠞⠎⠕⠑⠧⠻⠂⠀⠹⠳⠛⠓⠀⠮⠽⠀⠓⠀⠝⠕⠀⠎⠢⠎⠑⠂⠀⠀⠽⠑⠞⠀⠮⠽⠀⠓⠀
⠏⠻⠉⠑⠏⠞⠊⠕⠝⠆⠀⠿⠀⠱⠢⠀⠐⠕⠀⠃⠕⠙⠽⠀⠊⠎⠀⠁⠏⠏⠇⠊⠫⠀⠞⠕⠀
⠁⠝⠕⠮⠗⠂⠀⠮⠗⠑⠀⠀⠊⠎⠀⠁⠀⠅⠔⠙⠀⠷⠀⠑⠇⠑⠉⠞⠊⠕⠝⠀⠞⠕⠀
⠑⠍⠃⠗⠁⠉⠑⠀⠞⠀⠱⠊⠡⠀⠊⠎⠀⠁⠛⠗⠑⠑⠁⠃⠇⠑⠂⠀⠯⠀⠞⠕⠀⠑⠭⠉⠇⠥⠙⠑
⠀⠀⠕⠗⠀⠑⠭⠏⠑⠇⠀⠞⠀⠱⠊⠡⠀⠊⠎⠀⠬⠗⠁⠞⠑⠆⠀⠯⠀⠱⠑⠮⠗⠀⠮⠀⠃⠕⠙⠽
⠀⠃⠑⠀⠁⠇⠞⠻⠁⠝⠞⠀⠕⠗⠀⠀⠁⠇⠞⠻⠫⠂⠀⠑⠧⠻⠍⠕⠗⠑⠀⠁⠀
⠏⠻⠉⠑⠏⠞⠊⠕⠝⠀⠏⠗⠑⠉⠫⠑⠹⠀⠕⠏⠻⠁⠞⠊⠕⠝⠆⠀⠿⠀⠑⠇⠎⠑⠀⠁⠇⠇⠀
⠃⠕⠙⠊⠑⠎⠀⠀⠺⠳⠇⠙⠀⠃⠑⠀⠇⠀⠐⠕⠀⠞⠕⠀⠁⠝⠕⠮⠗⠲⠀⠠⠯⠀
⠎⠕⠍⠑⠞⠊⠍⠑⠎⠀⠹⠊⠎⠀⠏⠻⠉⠑⠏⠞⠊⠕⠝⠂⠀⠔⠀⠐⠎⠀⠀⠅⠔⠙⠀⠷⠀
⠃⠕⠙⠊⠑⠎⠂⠀⠊⠎⠀⠋⠜⠀⠍⠀⠎⠥⠃⠞⠊⠇⠑⠀⠹⠁⠝⠀⠎⠢⠎⠑⠆⠀⠎⠀⠞⠀
⠎⠢⠎⠑⠀⠊⠎⠀⠃⠀⠁⠀⠀⠙⠥⠇⠇⠀⠹⠬⠀⠔⠀⠉⠕⠍⠏⠜⠊⠎⠕⠝⠀⠷⠀⠭⠒⠀⠺⠑
⠀⠎⠑⠑⠀⠁⠀⠺⠑⠁⠮⠗⠛⠇⠁⠎⠎⠀⠺⠀⠋⠔⠙⠀⠮⠀⠀⠇⠑⠁⠌⠀⠙⠊⠋⠋⠻⠢⠉⠑
⠀⠷⠀⠮⠀⠺⠑⠁⠮⠗⠀⠔⠀⠓⠑⠁⠞⠀⠕⠗⠀⠉⠕⠇⠙⠂⠀⠱⠢⠀⠺⠑⠀⠋⠔⠙⠀⠭⠀
⠝⠲⠀⠀⠠⠯⠀⠹⠊⠎⠀⠏⠻⠉⠑⠏⠞⠊⠕⠝⠀⠊⠎⠀⠎⠕⠍⠑⠞⠊⠍⠑⠎⠀⠁⠞⠀⠁⠀

These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.