what to know about DSSS vs OFDM. In all the detail on DSSS and OFDM, I have missed which characterics of DSSS and OFDM make these distinct technologies. Nothing I've read appears to contrast the two. As I understand it, both DSSS and OFDM are intended to send many bits in parallel.
SCIENTIFIC AGE OF THE EARTH. efore analyzing the arguments advanced by creation âscientistsâ for a very young Earth, I here summarize briefly the evidence that has convinced scientists that the Earth is 4.5 to 4.6 billion years old.
It is not possible to be certain how life on Earth began. We do know that: 1  the Earth is about 4,500 million years old.  there is evidence that living things existed on Earth at least 3,500 million years ago.