This year, we are hosting the 10th bifacial workshop in Doha from 3 to 6 December under the theme of "Entering the bifacial n-type era", with a focus on desert applications
Since the 15th century we know that the earth is round and since the 16th century we have accept that the earth is orbiting around the sun. However, the heliocentric system was not easy to accept by many disbelievers.
