Beetle-inspired switch uses water for bonding
...the water through the minute capillaries of a thin disk of porous glass embedded in the plate. The water moves and wells up into a micrometer-sized droplet on the plate surface. The exposed droplet can then stick to another surface. To break the bond, electricity pulls the exposed water back through the c...Color perception is not in the eye of the beholder: It's in the brain
...e. Each subject was asked to tune the color of a disk of light to produce a pure yellow light that was neither reddish yellow nor greenish yellow. Everyone selected nearly the same wavelength of yellow, showing an obvious consensus over what color they perceived yellow to be. Once Williams looked into t...The shape of things to come: Morphology database going global
...re backup copies and can reduce both the amount of disk space on each machine and the cost to any one institution. Although scientists will be the only ones to have access to the system to deposit, retrieve or comment on items, the system is free and may be viewed by anyone. "Everyone from kindergartner...Underwater listening devices yield discoveries about endangered large whales
...stances from the ocean floor and are equipped with disk drives able to store tens of gigabytes of data. This allows them to operate for months at a time before they are recovered and the data accessed. Acoustic surveys using the devices have been conducted in the Gulf of Alaska, the southeastern Bering Se......k. A tomato plant was placed near the edge of the disk and the dodder plant was allowed to grow and attempt to locate its host. Dodder plants search for hosts by growing and moving in a circular pattern. In the past, many assumed that the search was random and the location of a host simply a chance enc...BD Pathway 435 confocal bioimager from BD Biosciences - Bioimaging
...on. The Pathway 435 adds BDs proprietary spinning disk confocal capability and associated 3D imaging software. High quantum efficiency cooled 12 bit CCD camera produces high resolution images for analysis. Flexible illumination using 8 excitation, 8 emission, and 5 dichroic filters that are all indepen......on. The Pathway 435 adds BDs proprietary spinning disk confocal capability and associated 3D imaging software. High quantum efficiency cooled 12 bit CCD camera produces high resolution images for analysis. Flexible illumination using 8 excitation, 8 emission, and 5 dichroic filters that are all indepen...Biolistic Transfection of Organotypic Brain Slices
... with DNA, drying them onto a macrocarrier disk and, finally, propelling them into target cells or tissue. The macrocarrier disk is accelerated with high-pressure helium into a stopping screen, which frees the microprojec...Optimization of Biolistic Transformation Using the Helium-Driven PDS-1000/He System
...pressure, the distance between the rupture disk and macrocarrier (the gap distance), the distance ...are all based on the rating of the rupture disk which was used in each bombardment. The actual pressures at which the rupture disks burst we......the gap distance (the distance between the rupture disk and the macrocarrier), and the macrocarrier travel distance. For most applications, a helium pressure of about 1,100 psi, a gap distance of 510 mm, and a macrocarrier travel distance of about 8 mm are near optimal. Each of the......a sets, you may opt for a binary file to conserve disk storage space and processing time. For your larger validation test efforts that require data to be collected from numerous tests on one or more units, you may choose to store data in a standard database, such as Microsoft Access, SQL Server, or O...Inoculation, Growth & Harvesting in a New Easy-to-Use Disposable Cell Culture System
...ures become attached to or embeddedin the FibraCel disk bed, where they remain throughout thegrowth process. Immobilization within the disk bed notonly protects the cells from damage by shear forces, butalso simplifies harvesting, allowing ...Heat therapy relieves back pain
...ks on a specific type of back pain called internal disk disruption (IDD), which is responsible for 40 per cent of cases. This condition is caused by shrinkage of the 'buffer' tissue between the disks, which usually happens increasingly with age. It leads to the growth of new tissue full of pain receptors ...... soft, gel-like substance found in the centre of a disk presses on the spinal nerves, causing pain in the ...nd apply controlled levels of heat to the affected disk and low thermal energy to relieve pressure in an intervertebral disk. During the procedure, he mildl......t that time, then we see some portion of the Sun's disk covered or 'eclipsed' by the Moon. An annular eclipse differs from a total eclipse in that the Moon appears too small to completely cover the Sun. As a result, the Moon is surrounded by an intensely brilliant ring or annulus formed by the uneclipsed ...Seeing Is Believing Does Not Hold Good For Color Perception
...e. Each subject was asked to tune the color of a disk of light to produce a pure yellow light that was neither reddish yellow nor greenish yellow. Everyone selected nearly the same wavelength of yellow, showing that all of them had the same perception regarding the yellow color. However, there was a con......he Red Blood Cells (RBCs) become lose there normal disk shape and become sickle shaped. Due to this abnormality there is hindrance in the movement of these sickled RBC. The movement inside the small blood vessels is restricted and this results in piling, clumping inside the vessels. This eventually blocks...