Why do guys name their cars girl names? One theory is that the habit carried over from men’s habit of calling ships “she” and naming ships after women, most often goddesses in ancient times. Similarly, when men became dependant on motor vehicles, they were an ornament of pride and cared for with great attention by […]
Can a laser Bend?
Can a laser Bend? Five years ago physicists showed that certain kinds of laser beam can follow curved trajectories in free space. The Florida team generated a specially shaped laser beam that could self-accelerate, or bend, sideways. The researchers did not bend the laser beam as a whole but rather the high-intensity regions within it. […]
What were three practices introduced by the Han dynasty?
What were three practices introduced by the Han dynasty? Significant developments during both major stages included the revival of learning and formulation of Confucian-based educational systems, the expansion of trade and empire to the north, south, and west along the Silk Road, and a general economic expansion domestically, coupled with changes in beliefs and burial […]
What type of bonding is found in methanol?
What type of bonding is found in methanol? hydrogen bonding How many H bonds can methanol form? three Is there hydrogen bonding in 1 butanol? a) The 1-butanol can hydrogen bond together, but the ether only has weak dipole-dipole interactions. The 1-butanol therefore has greater surface tension. b) The 1-butanol can hydrogen bond together, but […]
What are the 2 branches of the autonomic nervous system?
What are the 2 branches of the autonomic nervous system? The autonomic nervous system has two main divisions: Sympathetic. Parasympathetic. Can you control autonomic nervous system? While involuntary physiological processes are usually outside the realm of conscious control, evidence suggests that these processes, through regulation of the autonomic nervous system, can be voluntarily controlled. Is […]
What makes good insulation?
What makes good insulation? Polystyrene and plastic foam are both used as insulators as they have small air bubbles trapped inside them. This makes them very good insulators because heat energy can’t flow through them. This stops the movement of air in the space between the two layers of glass and reduces heat loss from […]
What is an example of experimental control?
What is an example of experimental control? Experimental controls are used in scientific experiments to prevent factors other than those being studied from affecting the outcome. For example, suppose a researcher feeds an experimental artificial sweetener to thirty laboratory rats and observes that eight of them subsequently die of dehydration. How do you show experimental […]
Is electronegativity affected by effective nuclear charge?
Is electronegativity affected by effective nuclear charge? Electronegativity is how much an atom pulls in electrons. If there are a lot of shielding electrons, outer electrons won’t be drawn towards the nucleus due to the low effective nuclear charge, and so electronegativity will be low. Effective nuclear charge is directly proportional to electronegativity. Does Zeff […]
Is the moon dying?
Is the moon dying? The moon isn’t “dead” after all. Newly discovered ridges on the moon’s surface are leading scientists to think that the moon might have an active tectonic system. These ridges, speckled with boulders, could be evidence that, not too long ago, tectonic activity broke apart the moon’s surface. Is Moon cracked? In […]
Do mirrors work in darkness?
Do mirrors work in darkness? Nothing at all. Black, or darkness, is the lack of white, or light. The mirror is neither on nor off at anytime. What are mirrors give three important examples? Home Mirror Types | How to Use Them Efficiently Plane Mirror — These are flat mirrors that reflect images in their […]