An angiogram uses X-rays and a special dye (contrast) to take pictures of the arteries in your brain, heart, and kidneys. The dye is injected into a small tube or catheter into an artery in your groin or (sometimes) your arm.
As the cloud collapses the force of gravity drawing the cloud inward gradually becomes stronger because the strength of gravity follows an inverse square law with distance. hoâ¦pe that helps.
âWe had to put a Plexiglas barrier around the centrifuge to protect the grad students,â said Castro, âbecause the ant bodies would go flying at the moment of rupture.â The antsâ necks ruptured when the centrifuge applied forces of 3,400 to 5,000 times their average body weight.