Recent Hipparcos results have lent support to the idea that RR Lyrae variables in the halo field and in globular clusters differ in luminosity by ≈ 0.2 mag. In this Letter, we study the pulsation properties of RR Lyraes in clusters with distances determined via main-sequence fitting to Hipparcos parallaxes for field subdwarfs, and compare them with the properties of field variables also analyze...

RAPID DECELERATION IS SEEN IN A WIDE VARIETY OF SPORTS WHEN STOPPING OR AS A PRECURSOR TO A CHANGE IN DIRECTION. THESE RAPID CHANGES IN VELOCITY OFTEN OCCUR OVER A MINIMAL AMOUNT OF DISTANCE OR TIME AND ARE OFTEN IN RESPONSE TO EXTERNAL STIMULI SUCH AS AN OPPONENT’S MOVEMENT OR BOUNDARY LINES. LITTLE ATTENTION HAS BEEN GIVEN IN THE RESEARCH LITERATURE TO THE KINEMATICS AND KINETICS OF RUNNING D...

Rapid Prototyping of Wireless Communications Systems

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We develop the boundary string field theory approach to tachyon condensation on the DD system. Particular attention is paid to the gauge fields, which combine with the tachyons in a natural way. We derive the RR-couplings of the system and express the result in terms of Quillen's superconnection. The result is related to an index theorem, and is thus shown

Player’s enjoyment is one of the most important goals for games. Without this, children will not repeatedly play them. In order to meet children’s needs, it is important to consider them in the development process, for example, by enabling them to participate actively in the process. Therefore, children will be enabled to participate in ideation workshops to create creative low-fidelity prototy...