Page 88 - 2002

U.S. multimillionaire Dennis
Tito became history's first
space tourist when he paid
Advanced Cell Technology President and CEO Michael West $20 million to travel with two
announced the company was the first in the U.S. to success­ Russian cosmonauts to the
fully clone a human embryo for the purpose of mining stem International Space Station.
cells. Throughout the year, the controversy over the ethics ▼
of stem cell usage, a process which may help scientists treat AP Photo/Mikhial MeUel
serious diseases, has grown because the cells are taken from
human embryos, causing the embryo to be destroyed, y

Advanced Cell Technology/Getty Images
The AbioCor artificial
heart was named Time
magazine's Invention of
the Year. 59-year-old
Robert Tools received
the first fully implanted
artificial heart in July.
►

Science and

Technology

Inventor Dean Kamen unveiled the Segway
HT, the first self-balancing, battery-powered
human transporter. The device, which travels
at a top speed of 12 miles per hour, uses
gyroscopes to keep it upright. Direction is con­
trolled by the rider's shifting weight.

►

XM Satellite Radio hit the nation's I
airwaves in September. XM offers
100 channels of music and
talk, with limited advertising
on the various channels.
Programming is broad­
cast to satellites in
space, which send it
\ o to radio receivers.

XM Satellite Radio