Heat kills inoperable liver tumors without initiating onslaught of harmful hormones
...h cryotherapy," Schell said. "We place a stainless steel tube into the middle of the tumor and pump liquid nitrogen into the tumor in order to freeze it to death. That works pretty well, but it's cumbersome and expensive to perform, and it can't be done laparoscopically (through small incisions)." Radi...... her colleagues worked for three years to design a steel capsule that would not rupture when hit with a mil...am developed - a two-centimeter diameter stainless steel disk about a half-centimeter thick - was able to withstand about 200,000 times atmospheric pressure ...Researchers pinpoint how tubeworm babies are dispersed to colonize new vent sites
...gure out how to culture them in the lab. Stainless steel chambers with continuously flowing seawater werespecially designed to re-create the larvaes natural environment of 2C (35F) and crushing pressure of nearly 3,700 pounds per square inch. With the exception of hydrothermal vents, most of the deep oc...Nuclear waste disposal: A safer solution?
...o be immobilized in a special glass, placed inside steel drums and buried about 1,000 feet deep in salt mines, in sites to be designated. The remaining low-level waste may then be encased in cement and stored on site at Hanford, Wash., and the Savannah River Site, S.C. The inorganic ion exchangers remove ...Engineers develop technology to reduce industry emissions
...he conventional models, which use heavy, expensive steel plates to attract dust particles, Pasic said. Wh...The membranes are not only more efficient than the steel plates, Pasic said, but are less expensive, not susceptible to corrosion and 10 to 20 times lighter ...Complex carbohydrate found to regulate plant growth
...ete," O'Neill said. "Tiny cellulose fibers are the steel rods and the matrix is the concrete. Only in the cell wall, the concrete has the consistency of jello." One clue to RG-II's role emerged when O'Neill found that a dwarf mutant of Arabidopsis - a relative of cabbage and mustard - had normal amounts of...Scientists study how the lobster's nose knows
...d one of the antennules with a computer-controlled steel wire to create a robotic lobster. A real antennule was slipped onto the wire before each experimental trial. The lobster was then submerged in a tank of water, and a plume of fluorescent dye, illuminated by a sheet of laser light, was released at one...Alaskan waters growing hospitable to sharks while seals and sea lions decline
...cking their nets, Gallucci said displaying a No. 3 steel halibut circle-hook almost straightened by a salmon shark. Salmon sharks, 6 to 8 feet long as adults and related to the great whites, Pacific sleeper sharks, which can grow to 24 feet in length, and dogfish are the most plentiful members of the shark...Portable unit created to treat wastewater in remote locations
...Instead, Virginia Tech and UTD developed stainless steel screens and pressure filters for solids removal. T... to get into small spaces. Combining the stainless steel screens and the clay beads results in a compact treatment unit that can treat 30,000 gallons per day...Reactor reveals hidden life of rocks
...f living things. But they can pass right through a steel container. In contrast, water and most living tissue are fairly transparent to X-rays, but X-rays are stopped by heavier elements. That means that neutron beams can be used to scan a Martian rock for traces of life even while it is sealed in a metal ......lso possible that low-energy intensive metals like steel may replace high-energy metals (eg aluminium) in applications where weight is not especially critical, and vice versa." "Of all the materials used by society metals have the greatest potential for unlimited recycling. "They offer the ability to conse...Studies of spider's silk reveal unusual strength
...f its length before it breaks. It is stronger than steel and comparable in strength to Kevlar. "The last decade has seen a significant increase in the scientific literature on spider dragline silk," according to the proceedings. "This interest is due to the impressive mechanical properties of spider dragli...Carbon nanotubes found to fluoresce
...as well as diamond and are 100 times stronger than steel at one-sixth the weight. Much of Smalley's current research involves bridging the gap between "wet" nanotechnology -- the molecular, biochemical machinery of life -- and "dry," insoluble nanomaterials like fullerenes. Toward that end, Smalley's lab h...Dutch researchers receive award for combating terrorism with chemistry
...strongest fiber and is fifteen times stronger than steel on a weight-for-weight basis, DSM claims. According to DSM, Dyneema fibers provide the best lightweight protection against the Kalashnikov, an East European military rifle widely used by terrorists. The French army used helmets made with Dyneema-wove...... is better known for industry, dumps and abandoned steel mills than for biodiversity. Nevertheless, precious prairies, lakes, woodlands and wetlands are tucked away on Chicago's southeast side. From 2:00 p.m. Aug. 23 until 2:00 p.m. Aug. 24, some 130 scientists will descend on the Calumet region to survey ...Tomorrow's super robots may owe their mobility to a cockroachs legs today
...acrylate was used to attach one end of a stainless steel pin to the distal tip of the tibia; dental impression compound was used to adhere the other end of the pin to the arm of a servo-motor system. The leg was then displaced with the Aurora system, which is based upon a high performance rotary moving co...UT Southwestern receives $2 million grant to purchase 30-ton superconducting magnet
...uid nitrogen and liquid helium. It is encased in a steel shell to contain the magnetic field. "When you drop solutions of proteins into the center of a strong magnetic field, it allows them to absorb radiofrequency energy, and that allows us to interpret their structure," he said. "The more powerful the ma...Smart materials expand within global marketplace
...gle-walled nanotubes has endured 100 times that of steel at one-sixth its weight. Fullerenes have prospective application as optical limiters as they have the ability to stop light. Furthermore, they can be used as superconductors as they are hollow molecules composed of pure carbon atoms. "Though few c...INEEL competes successfully for DOE EMSP funding
...en. The second project will evaluate how stainless steel alloys survive three decades of underground storage. Since most long-term waste repositories and disposal facilities will be underground, test results will help understand long-term integrity, corrosion impacts, and contaminant transport from contain......esults were obtained through experiments involving steel balls and glass beads. JUMP-STARTING PHYSICS ENTREPRENEURS "In the late 1990s, it seemed that any two graduate students and their dog could start and grow a high-tech company," says Cyrus Taylor (Case Western Reserve University), a featured speake...