John Deponte: 2 books

Speakening: English and Spanish for Serious Students is a dual-language course in English and Spanish using brief dialogues as the means to achieving fluency in both languages. The dialogues, called Exchanges, present all the sentence structures necessary for understanding the grammar of both languages. This grammar is acquired the way we acquire the grammar of our mother tongue: naturally.

The ultra-bright femtosecond X-ray pulses provided by X-ray free electron lasers (XFELs) open up opportunities to study the structure and dynamics of a wide variety of systems beyond what is possible with synchrotron sources. This book introduces the principles and properties of currently operating...