In this articleÂ­, we will examine solar cells to learn how they convert the sun's energy directly into electricity. In the process, you will learn why we're getting closer to using the sun's energy on a daily basis, and why we still have more research to Â­do before the process becomes cost-effective.n this articleÂ­, we will examine solar cells to learn how they convert the sun's energy directly into electricity. In the process, you will learn why we're getting closer to using the sun's energy on a daily basis, and why we still have more research to Â­do before the process becomes cost-effective.
How long does a hen stay fertile after the rooster is gone?   A hen stays fertile for about 2-2 and a half weeks after the rooster is gone. The sperm stays in her for about that long, sometimes even up to 3 weeks. Started career as professional chef then a district sales manager for a wine & spirits company.
This is because as they've been bred, the tendancy to go broody has been bred out of them (if you're into egg production a broody hen is costly. She won't lay eggs for the 21 days she sits on her nest and she won't lay them for awhile afterwards as she raises her chicks).If you'd specifically LIKE to buy hens that have a tendancy to go broody, check out the list of broody hen breeds.roody hens are responding to a natural urge to sit on a clutch of eggs long enough for chicks to hatch. Although most city hatched eggs aren't fertile, it doesn't matter to the hen.