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.
Egg-Laying. Egg production in hens is stimulated by increasing the amount of light they receive. The egg production will occur whether a rooster is in the flock or not. So, when the days begin to get longer in the spring and summer, your hen will naturally lay more eggs.Hens need between 14 and 16 hours of light a day for best egg production.But expect your hen to lay less or even stop when the days are shorter.gg-Laying. Egg production in hens is stimulated by increasing the amount of light they receive. The egg production will occur whether a rooster is in the flock or not. So, when the days begin to get longer in the spring and summer, your hen will naturally lay more eggs.