batteries!!
getting bumed of people
dude they use a tower to get signal then a satalite for service.
You should start doing your own home work or making it sound less obvious that this is your home work. Anyway Cellphones transmit microwaves, the microwaves negatively affect the cells in your body.
because it is ugly stupid and doesn't work
There had been research work to use high power transmitters for transmission of electricity without wires but conclusions were not confirmed
You can twist the wires together and use electrical tape to secure the connection. Another option is to use wire connectors or crimp connectors to join the wires. These methods are not as secure as soldering but can work in a pinch.
No, current cellphones are not designed to work on Mars as there is no cellular network available on the planet. Additionally, the atmosphere on Mars is different from Earth, which could affect the functionality of electronic devices like cellphones.
It's unlikely it will still work after all the cycles. It's unlikely it will still work after all the cycles.
Improves contact but not required, should still work without
Different wires have different thicknesses to accommodate various levels of electrical current. Thicker wires have lower electrical resistance and can carry more current without overheating. Thinner wires are suitable for lower current applications and are more flexible and easier to work with.
Yes land line telephones do work if even if there is a power cut. if it is a cordless phone. They need electrical power to transmit from the base to the handset.
They don't - cellphones are the most distracting modern device that a kid could have when they're doing their work. Those little alert sounds make you want to check your text messages and email and Facebook, and keep you from focusing on your work. Use your book, your notes, and your computer to do the work and turn the cellphone off.