A device is described for indicating and preventing damage to voltage cells such as galvanic cells and fuel cells connected in series by detecting sequential voltages and comparing these voltages to adjacent voltage cells. The device is implemented by using operational amplifiers and switching circuitry is provided by transistors. The device can be utilized in battery powered electric vehicles to prevent galvanic cell damage and also in series connected fuel cells to prevent fuel cell damage.

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Edmond Parks Officials have removed most of the hazardous planks from the benches at Barnett Field."

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Contactor Don Coleman examines rows of solar collectors that his company has installed on the south wall of Henrietta B. Foster Community Center to help heat and cool the gymnasium."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "F. V. Jobe looks over a monument to Oklahoma City's first oil well."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Proudly displaying their prize winning scrapbook are Linwood Elementary students, form left, Jackie Holder, Andrea Story, Derrick Butler, Theresa Clark and Sabrina Suarez."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Chris Hensch gets back to first base as David Wolf tries to tag him out."

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Ken Helterbrand turns to the audience while directing the Edmond Men's Chorus."

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Upkeep of the campus ground at The Way College, above, is handled almost exclusively by its students."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Workers from Robert Harris Construction are busy completing this portable school building at Edmond's Ida Freeman Elementary."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Twilight outlines players as the photographer turns action late still life."

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Delicious falafel in pita bread is shared by Amy Dewbre and Elizabeth Dewbre during the magic show."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Throwing his best pitch is Jeff Dix. (Jeff Dix pitches softball for Ford Energy.)"

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Steve Eckhoff"

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "After working in the Oklahoma City public school system for the past 34 years, U. S. Grant High School Principal Jake Diggs is retiring at the end of this school year."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Brian Harden takes a swing."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Pitcher Truman Burns throw to first base. . . ."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Giving it his best shot is pitcher Jerry Keil who plays softball for Woodie Ayers Chevrolet in Edmond."

In a novel application of the multiwire proportional counter we have imaged a collimated neutron beam. Although preliminary, the results are of sufficient import to be described here because of the potential wide application of the multiwire proportional counter to Laboratory problems. The counter was operated with a counting gas pressure of 20 Torr; the counting gas was pure C/sub 4/H/sub 10/. The radiator was a /sup 235/U foil. Under these conditions, the counter is (1) relatively insensitive to charged particles (other than fission fragments), (2) insensitive to ..gamma..-radiation, and (3) has an efficiency for the detection of fission fragments independent of incident neutron energy over a wide range of neutron energies.

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Steel trusses and columns outline the $5 million project to cover Penn Square's central plaza."