Abstract: Light transmission through a curved dielectric rod of rectangular cross section embedded in different dielectrics is analyzed in closed, though approximate form. We distinguish three ranges: ...

The English We Speak is your chance to catch up on the very latest English words and phrases. In under 3 minutes, we help you stay ahead of the pack by giving you 'must have' phrases that you can ...

Children, all blond and wearing red and yellow overalls, are playing indoor football in the center of Helsinki in the middle of winter, but it is not cold. The ball is rolling almost 30 meters ...