July 2003, page 41—Frederick Sanger also received two Nobel prizes. Both were in chemistry: one in 1958 and the other, with Walter Gilbert, in 1980.

July 2003, page 74—Robert Hugh Tanner was especially proud of his work on the Philharmonic Hall in Naples, Florida, not Naples, Italy.

August 2003, page 40—It was Pierre Bonnet who was codiscoverer of the Gauss–Bonnet theorem in topology.

August 2003, page 62—Paul Falkowski was also named a new fellow of the American Academy of Arts and Sciences.

September 2003, page 31—Gravitational waves have been inferred from observations of a binary pulsar whose orbital period is decreasing at a rate consistent with losing energy through gravitational wave radiation.

Buyers’ Guide, August 2003, page 16—Font problems caused some symbols to misprint in Tables III and IV. The corrected tables are reprinted in their entirety at right.

Table III.

SI prefixes

Factor Prefix Symbol Factor Prefix Symbol
1024   yotta  10−1   deci
1021   zetta  10−2   centi
1018   exa  10−3   milli
1015   peta  10−6   micro  µ
1012   tera  10−9   nano
109   giga  10−12   pico
106   mega  10−15   femto
103   kilo  10−18   atto
102   hecto  10−21   zepto
101   deka  da  10−24   yocto
Factor Prefix Symbol Factor Prefix Symbol
1024   yotta  10−1   deci
1021   zetta  10−2   centi
1018   exa  10−3   milli
1015   peta  10−6   micro  µ
1012   tera  10−9   nano
109   giga  10−12   pico
106   mega  10−15   femto
103   kilo  10−18   atto
102   hecto  10−21   zepto
101   deka  da  10−24   yocto
Table IV.

Units accepted for use with the SI

Quantity   Unit
Name Symbol Definition
time  minute  min  1 min=60 s
hour  1 h=60 min=3600 s
day  1 d=24 h=86 400 s
plane angle  degree  °  1°=(π/180) rad
volume  liter  1 L=1 dm3=10−3 m3
mass  metric ton  1 t=1000 kg
attenuation, level  neper  Np  1 Np=1
bel  1 B= $1 2$ ln 10 Np
Quantity   Unit
Name Symbol Definition
time  minute  min  1 min=60 s
hour  1 h=60 min=3600 s
day  1 d=24 h=86 400 s
plane angle  degree  °  1°=(π/180) rad
bel  1 B= $1 2$ ln 10 Np