I don't really get how you have an antenna on your laptop, but if you do, it does not effect it.
no it cant
no
If your sitting your laptop on your lap, then it may have the same effect as a sunburn if the bottom gets to hot
depends how you sit or sleep
If they both have the same Intel then I think that you should get the second laptop, th Intel with a laptop can effect the speed greatly, the more the cores in a laptop the better and faster your laptop will be.
Most laptop back pack put tension on top of bag to hold the laptop up higher. A good bag will not let the laptop touch the bottom because it is suspended in the center of the bag and provides an absorbing effect to the laptop. These bag are not for use for long periods of time because it will effect your posture.
If your laptop meets all the requirements. If it fails more than a couple then dont even try
A wall mount laptop stand can help save space on your desk, improve ergonomics by raising the screen to eye level, reduce neck and back strain, and keep your laptop safe from spills or damage.
YES i have had stiff neck all my life and have been reserching and i have found that it was my spinal cord
if the laptop battery over charged, the laptop battery will get hot, Seriously will damage the battery, but now most of the laptop battery have a overshoot protection, when the battery was full charged, it will stop charging automatic, so it won't worry about it
All projectors can play movies from your laptop, but for the best results get a projector with a quick color wheel to avoid the rainbow effect.