...do about these in this allegedly all-polymer car? Gee, I'm glad you asked. ... v^rlJi/jyilo 1 J\JL is a central science that responds to societal needs....1-second tail-wag delay involves the same speed-up as a ID-second instant replay of all historical events since the pyramids were built. The alkyl benzenes...

...system? What will we do about these in this allegedly all-polymer car? Gee, I'm glad you asked. . . . 47 The Time It Takes to Wag a Tail When your pet dog...has a rigid benzene ring at one end and a flexible alkyt group at the other. At room , temperature, this flexible "tail" vibrates and bends under thermal...

...system? What will we do about these in this allegedly all-polymer car? Gee, I'm glad you asked. . . . 47 The Time It Takes to Wag a Tail When your pet dog...chemical change that takes place in 1 picosecond to a I -second tail-wag delay involves the same speed-up as a 10-second instant replay of all historical...

...essentially removed both obstacles. Chemists can now interrogate a reacting mixture on a time acale as short as a millionth of a millionth of a second (a "picosecond"). This means we can hope to measure the lifetime of any molecular species that can be said to have an...