Imagine a virtual world, like Second Life, with the following catch to it.

You join Third Life online and create your Avatar. Immediately a copy-cat Avatar gets created. You don’t control any of its movements. Your twin avatar is an artificially intelligent copy-cat that operates on its own.

It...

Smart idea from Norway. A two-seat, electric-powered car that is environmentally friendly and very inexpensive.

It’s called the Think City Car, here is the site to take a look http://en.think.no/

You can buy the car for only USD 15,000 to 17,000 for the vehicle, but the company leases the battery....

What if we could create some kind of artificial partial solar eclipse?

This will reduce the amount of solar energy that gets to the earth.

I think I had read somewhere that some people had come up with the idea of creating large space-blankets that will orbit the earth and reflect sunlight back...

What about a microwave that cools down your hot food or drink to the temperature you wanted?

It has happened to me many times, I order a coffee or hot chocolate and they serve it so hot, I have to wait for a few minutes before I take a sip or I burn my lips and tongue.

Could be useful. You can...

What if the name given to us since birth was a temporary one? What if during our childhood years we could try different names, see which one suited us, pick the one we like and then register it as our first name?

Most, if not all of us are give a name since the day we are born. That name is not our...