It's
a tricky design problem: The Eye has to be stable, leakproof, and capable of amplifying light on a suitable wavelength the way night - vision goggles do.
Not exact matches
Another
problem with the seat
design is that it makes it a little
tricky to place the baby in the seat, especially if they are drowsy and you don't want to wake them.
But
designing drugs gets
tricky if researchers are not sure which, if any, of those
problems actually drives disease, and which act earlier or later in the process.
He
designed tricky problems for Kandula and two other elephants at the zoo in Washington.
She has an excellent sense of
design and is resourceful in solving
tricky problems.