2. • Half-life (t1⁄2) is the amount of time required
for the amount of something to fall to half its
initial value. The term is very commonly used
in nuclear physics to describe how quickly
unstable atoms undergo radioactive decay.
3. • Reactor No.4 at Chernobyl's Nuclear Power Station
exploded in 1986 leaving the surrounding area
uninhabitable for many hundreds of years. I visited
Chernobyl to mark its 20th anniversary, photographing
the deserted spaces in what was once a model Soviet City.
Home to more than 40,000 people, the apartments,
schools and hospitals that were hastily left following the
controversial evacuation are stark reminders of past lives,
leaving a disturbing sense of quite. An uneasiness that I
had never previously experienced." —Nadav Kander
