Skip to contentSkip to Braille Studio

Library / Philosophy / Popular scientific lectures / Braille

Popular scientific lectures ⠃⠗⠋ 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.

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

566,524 braille cells · 598 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.