ram, developed for missile radomes, is now being used
in the manufacture of pots and pans. Materials suitable for use in
the nuclear preservation of food may make us even better fed than
we already are.

Medical research, and our health problems, can use such things as
film resistance thermometers. Electronic equipment capable of
measuring low-level electrical signals is being adapted to measure
body temperature and blood flow. In a dramatic breakthrough,
illustrating the unexpected benefits of research, it has been found
that a derivative of hydrazine, developed as a liquid missile
propellant, is useful in treating certain mental illnesses and
tuberculosis.

Of course, the aeronautics industry has benefited tremendously.
Engines, automatic pilots, radar systems, flight equipment, capable
of meeting the high standards required by space vehicles represent
a great improvement over our already excellent aircraft.

A plasma arc torch (has been) developed for fabricating ultrahard
materials and coatings by mass production methods. The torch, an
outgrowth of plasma technology, develops heats of 30,000 degrees
and can work within tolerances of two-thousandths of an inch.
Another application from the missile field, which shows real
possibilities, is a reliable flow meter that has no packings or
bearings. This was first developed for measuring liquefied gases
and should have a very wide industrial usefulness. It may even lead
to improvements in marine devices for measuring distance and
velocity.

Ground-to-air missiles that ride a beam to their targets must
measure the distance to the target plane with an accuracy of a few
feet in several miles. This principle, now being applied to
surveying techniques, has revolutionized the surveying industry.

The solenoid valve, which seats itself softly enough to eliminate
vibration, has been applied very satisfactorily to home-heating
systems.

The use of the jet drilling for mining is another, and worthy of
amplification. Missiles are already working the economically
unminable taconite ore of the Mesabi Range, have helped build the
St. Lawrence Seaway, and are bringing down costs in quarrying.

It is estimated that taconite will be supplying about a third of
our ores in less than 20 years. Unti