Skip to contentSkip to Braille Studio

Library / Philosophy / Popular scientific lectures / Braille

Popular scientific lectures ⠃⠗⠋ braille edition

Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

672,558 braille cells · 715 embossed pages at 40×25 · 1,972 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.