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PAGE FOUR
UNIVERSITY DAILY KANSAN, LAWRENCE, KANSAS
THURSDAY, OCTOBER 20, 1949
Little Man On Campus
By Bibler
"Why, Worthal, you old tease. I DO believe you've spiked our housemother's punch."
So This Is What They Do In Engineering; Make Machines That Play Tic-Tac-Toe
A machine that can't be beaten at playing tic-tac-toe, is being constructed at the Engineering school. Maurice M. Mandelkehr, engineering senior, conceived the idea of this electrical "brain."
His invention can play tie-tac-toe with anyone and never lose. It is possible to tie, but not possible to win. The electrical mechanism
consists of a board with the game printed on it. In each square is a bulb, half red and half green. The player of the game takes one color; the machine the other. Buttons are pushed to light up the various squares. Both defensive and offensive moves are computed by the machine in a series of 18 electrical relays.
He Might Do The Kicking Burlington, Vt. — (U.P.) — Two of the biggest feet on any American campus are those of Michael Newton, a University of Vermont freshman. When he reported for football, he floored the coach by asking for shoes size 15 EEE.
New Process Converts Sawdust Into Boards
New York—(U.P.)The home of the future may be built of saw- dust and other wood wastes—material which is resistant to termites, rot, moisture, shrinking and swelling.
In fact, sawdust houses already are being built in London as a result of a scientific achievement by Dr. Donald F. Othmer, head of the Department of Chemical En-
Dr. Othmer has left his laboratory temporarily and is now in England, supervising the use of sawdust building material for dwelling purposes.
Othimer has disclosed that many thousands of experimental boards have been manufactured in laboratory presses, utilizing wood waste, such as sawdust and shavings, which can be converted directly in 12 minutes into excellent construction material.
He said that an innovation in the process is the elimination of any resin or gluing agent to bind the particles together. By adding a small amount of a cheap, readily available chemical, he said, the lignin in the wood representing about 40 per cent of the wood content is made to do the gluing job, and it is reactivated to hold the fibers together as it did in the original wood.
The Brooklyn scientist said that the processed material is a strong, grain-less board, which has many advantages over new wood. In the first place, it is cheap, the cost of the chemical used in the process being only one or two-tenths of a cent per square foot.
In fact, sawdust houses are a result of a scientific achievement in the Department of Chemical Engineering, Polytechnic Institute of Brooklyn, and his associate, Louis Ricciardi.
He further reports that the new process would help save the country's dwindling lumber supply. He said that 2,000 square feet of the wallboard can be made from a ton of waste. Thus, he said, if all the waste could be salvaged, 40 billion square feet of wallboard could be produced each year.
Othmer said that the process consists simply of mixing a small amount of a chemical with the dry wood waste, then placing the material in a hydraulic press equipped with multiple heated platens which can make from 10 to 20 boards at one time. The boards cool in about 12 minutes.
One big advantage of the "manned" wood, he said, is that it is plastic in character and the material
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