FRIDAY, APRIL 20, 1951
UNIVERSITY DAILY KANSAN, LAWRENCE, KANSAS
SEC—C PAGE THREE
Math Club Shows Unfillable Bottle
Have you ever seen a bottle with only one side? Or better yet, have you ever seen an ordinary bottle that can't be filled with any liquid whatsoever?
This unusual phenomenon is but one of the many interesting projects that will be on display in the mathematics section of the Engineering Exposition. The particular bottle mentioned above is known as a Klein bottle and was blown by the University glass blower especially for the occasion.
If you happen to go to 116 Marvin hall to see this division of the Exposition, upon entrance you will be handed a cylindrical piece of paper that has only one edge parallel to itself. It has very interesting effects when cut up. It isn't designed to confuse the individual, but rather to entertain him.
Three mathematical machines, perhaps the most representative of any mathematics department, will
be the main features of the display. These include the slide rule, the planimeter, and the probability machine. The practical use and operation of each will be demonstrated.
In addition to these there will be wooden spacial models which are graphical representations of analytical geometry equations; plane graphs of various curves, used particularly in engineering, and a string
model in the form of a cylinder which, when twisted, assumes various mathematical shapes.
For those persons who have not treaded beyond the intricacies of plane geometry, there will be a group of diagrams showing the relationships between circles and triangles, all of which were drawn by members of the K.U. math department.
An ancient counting instrument used before the invention of the modern calculating machine, known as the abacus, will be included in the display. This abacus, a frame with beads which are moved back and forth, is in reality quite as accurate and fast as the compometer of today.
Rare Recording Instrument Displayed Today, Saturday
Bv ANNE SNYDER
The only seismograph between St. Louis and Reno, Nev., is being displayed to the public today and Saturday as part of the geological display in Lindley hall.
Earthquakes and atomic explosions anywhere on the earth are recorded by the delicate instruments on a pier anchored in the bedrock beneath Lindley. Tours will be conducted to the seismograph room and the machine explained this afternoon and from 8 a.m. until noon Saturday.
The observer must become "dark-acoustomed" to red photographic lights before he can watch the instrument in operation behind a plate glass window.
The seismograph consists of three instruments which rest upon a pier insulated from the rest of the building. When tremors travel through the earth and hit the cement foundation of the pier, the instruments upon it send an electric current into three galvonometers.
The galvonometers reflect a point of light through a slit onto photographic paper around a rotating drum opposite them. The point of light registers on the photo paper in a wavy line which represents the earth's motion.
The distance from here to an earth tremor can be determined by measuring the time lapse between the arrival of two types of waves generated when the earth shakes. Time markings are put on the photo paper every half-minute by a special clock connected to a radio pulse from Washington, D.C.
To find the exact site of the tremor, the reports of three seismograph stations are triangulated by the U.S. Coast and Geodetic survey. The biggest earthquake recorded to date on K.U.'s seismograph was on Dec. 14, when a strong quake shook Mexico.
In addition to the seismograph tours, mineral and rock exhibits are on the tables in the geology laboratories. The master collection from the department is displayed, including minerals from all over the world.
A geiger counter is rigged to one of the displays to show how radioactivity is detected in rocks.
In wall display cases the department's collection of agates is on display. Sedimentary exhibits and small and large fossils complete the geology exhibit.
The exhibits are numbered and named on the Engineering Exposition programs, and are explained by students from the geology department.
This year marks the first appearance of the mathematics department in the Exposition since 1941, and the display you will see has been based upon the sectional display of ten years ago, plus many new additions.
Credit belongs to the Math club, composed of members who are not engineers, but who have donated their time to this project. Harry Nelson, College sophomore, was chairman of the section.
New Addition Will More Than Double Union Building
The mathematics division of the Engineering Exposition will be on display from 10 a.m. to 8:30 p.m. today, and from 8:30 a.m. to noon Saturday.
Patronize Daily Kansan Advertisers
Future University students will enjoy a bigger and better Union building. Construction of the addition to the Union building is progressing on schedule, and it may be completed in less than two years.
Russell Sehon, superintendent of construction for the state architect, said recently that if no unforeseen difficulties in obtaining materials arise, the most difficult stage of construction has been completed.
The second floor will have an enlarged ballroom with a seating and dancing capacity of 1200 couples. The east and west walls will be paneled with walnut. It will have a new maple floor and indirect lighting. The outdoor terraces will open off the ballroom.
The addition will more than double the size and facilities of the building when it is completed. It will include a five story south wing with four stories above the Hawk's Nest on the north portion of the building.
The main entrance to the building will be in the south wing facing Jayhawk drive. Its three sets of double doors will open onto a 75 foot-long terrace.
The main lounge will be doubled in size and decorated. The music room, check room, and women's lounge will be enlarged.
Walls of the women's lounge will be covered with padded kalestron plastic, tufted with buttons to give an upholstered effect. The floors will be of acoustical tile.
Two dining rooms will be built on this floor. A check room, washrooms
A new browsing room, separate from the music room, will be included in the addition. There will be a series of telephone booths off the main lounge.
and a powder room will occupy the west end of the present ballroom. There will be five student offices on the second floor.
The top floor will form a balcony around the ballroom wide enough for tables to be placed upon it. The main terrace will open off the enlarged Kansas room. There will be an outdoor fireplace on the north side of the terrace opposite an indoor fireplace in the Kansas room.
The cafeteria will be enlarged to a seating capacity of 700 and paneled with plastic. New washrooms, storage space for students' coats, a hobby workshop, two photographic dark-rooms, 12 student offices, employees lockers, the main kitchen, and dining rooms will be located on this floor.
The sub-basement floor will include the Hawk's Nest, an enlarged bookstore, and refrigeration and freezing rooms for food storage.
A sub-sub-basement under the new south wing will house an air conditioner for the building. A passenger elevator will serve all floors.
Draftees Have 'Good Go'
Spokane (U.P.)—If a Shell Oil company employee gets called into the armed forces, the Spokane office of the firm announced he would get the following; Two months pay, a family allowance, and 20 per cent of his salary and 50 per cent of the company's normal contribution to the employee's savings plan.
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