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.