If used properly, yes. However, like almost everything, it can be abused.
Christians do watch TV. Some may choose not to.
Well, televisions are useful when you watch the Science Channel or the History Channel. It depends on what you're watching, but news are also useful.
tv light bulb
junk
Laptop sure is useful but not smart tv. only a good full hd tv will suffice. in laptop he can get unlimited of any informations he needed.
being on TV or in a film
j.l.baird
Radio is useful for the older generation, if somebody is unable to see/watch the television radio is the next best thing!
No, television was not widely available in Germany during Hitler's time in power. Instead, Hitler used radio broadcasts, rallies, posters, and film to disseminate propaganda and control public opinion.
A rear projector tv is useful for a better quality of the image, a bigger group of people watching TV in a bigger room. Also is very interesting to create a cinema effect in your own house.
it turns ur brain to mush
Example: TV. Electricity- Heat, light, sound. Useful energy transfers would be electricity- light, sound because that's what your TV actually needs, but electricity- heat would be wasted energy or a non-useful energy transfer because your TV does not need to produce heat, unless of course you can't afford central heating, but then isn't heating more important than a TV???? Summary: Useful energy transfer: The purpose of the object is fufilled by this transfer. Non-useful energy transfer: The purpose of the object is not fufilled by this transfer, and in effect, this transfer is a "side effect" of the useful energy transfer. These transfers waste energy.