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The conservation of energy ⠃⠗⠋ 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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284,430 braille cells · 299 embossed pages at 40×25 · 427 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.