Can do Textbook

Want to learn and speak real German? While most textbooks have you reading rules about the language, with Can Do German, you'll be able to do everyday activities such as… introduce yourself, talk about the weather or your family, give your phone number, count in German, and much, much more.

Want to learn and speak real Italian? While most textbooks have you reading rules about the language, with Can Do Italian, you'll be able to do everyday activities such as… introduce yourself, talk about the weather or your family, give your phone number, count in Italian, and much, much more.

Want to learn and speak real Cantonese? While most textbooks have you reading rules about the language, with Can Do Cantonese, you'll be able to do everyday activities such as… introduce yourself, talk about the weather or your family, give your phone number, count in Cantonese, and much, much more.

Want to learn and speak real Thai? While most textbooks have you reading rules about the language, with Can Do Thai, you'll be able to do everyday activities such as… introduce yourself, talk about the weather or your family, give your phone number, count in Thai, and much, much more.

Want to learn and speak real Hindi? While most textbooks have you reading rules about the language, with Can Do Hindi, you'll be able to do everyday activities such as… introduce yourself, talk about the weather or your family, give your phone number, count in Hindi, and much, much more.

Want to learn and speak real Filipino? While most textbooks have you reading rules about the language, with Can Do Filipino, you'll be able to do everyday activities such as… introduce yourself, talk about the weather or your family, give your phone number, count in Filipino, and much, much more.

Albert Einstein knew already in the early 1900s, when he first published his famous paper about the constancy of the speed of light, that not only did this constancy imply that mass contains energy (E = m c squared), but that faster-than-light motion could lead to paradoxes — some that seemed to involve backwards time travel.