Why We Should Keep Trying to Time Travel

H.G. Wells coined the term "time machine" all the way back in 1895, just a decade before Einstein published his groundbreaking paper on special relativity that would begin show how time travel is possible. The fascination with using technology to look into the past or the future hasn't faded in the last century. And… » 11/20/14 10:03am 11/20/14 10:03am

We Have to Wait At Least 200 More Years for Interstellar Travel

Sorry folks, it looks like only our grandkid's grandkid's grandkids will be able to take advantage of interstellar travel. Why so long? Because a NASA scientist says it'll take at least 200 years to obtain enough energy to make the journey. » 1/08/11 12:40am 1/08/11 12:40am