What makes reading from a book better than reading from a screen? Phil and Georgie discuss this and teach you some useful vocabulary. And I’m Georgie. For me, there’s nothing like reading a book – I ...
Mmm, delicious. Hear a real-life chocolate maker talking about her job! Neil and Beth teach you some useful vocabulary. In Britain, millions of kids grow up reading the books of Roald Dahl. Before his ...
Abstract: In this paper, we report the use of communication-band tunable diode laser for simultaneous detection of carbon monoxide (CO) and carbon dioxide (CO/sub 2/) in air, using multiwavelength ...
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