Category: Physics

How far back in time can we see? But 13.8 billion light years is far too small to be the right answer. In actuality, we can see for 46 billion light years in all directions, for a total diameter of 92 billion light years. What is beyond the universe? These 93 some-odd billion light-years contain […]

Where should you put a barometer in your house? Because air pressure is basically the same indoors and out, a barometer can be placed inside or outside. For home use, hang a barometer on a wall in a place where people can read it conveniently. In most cases, this is an indoor wall, but outdoor […]

Is there a right to healthcare? The right to health was again recognized as a human right in the 1966 International Covenant on Economic, Social and Cultural Rights. Since then, other international human rights treaties have recognized or referred to the right to health or to elements of it, such as the right to medical […]

Is it better to drive fast or slow through water? 4. Drive Slowly. The last thing you want to do is drive fast over watery roads. If you do have to cross water on the road enter at 1-2mph then drive at 3-4mph to avoid engine flooding. How deep can car go underwater? Even six […]

Why do divers exhale when surfacing? As the diver ascends, the air in the lungs expands as surrounding water pressure decreases. Exhaling allows excess volume to escape from the lungs, and by exhaling at a suitable rate the diver can continue exhaling throughout the ascent and still have air in his or her lungs at […]

What does access only mean? An ‘access-only’ road or street is that has a ban on motor traffic using it, except for access. The intention is to allow cycles (and people walking) to use the road as a through-route, while limiting motor traffic to just those vehicles accessing properties. What does this sign mean at […]

How do I get work ethic? Here are some things you can do now to develop a good work ethic. Practice punctuality. Develop the habit of being on time or early for all appointments. Develop professionalism. Professionalism goes beyond a crisp white shirt and tie. Cultivate self-discipline. Use time wisely. Stay balanced. What are good […]

What is KD in PUBG? In PUBG Mobile’s new method of K/D calculation, the number of games a player has played is taken into account. The kill death ratio is calculated by dividing the total number of kills made by a player by the total number of matches played by the said player. New K/D […]

What are the 4 properties of atom? Chemical properties Atomic number. The atomic number indicates the number of protons within the core of an atom. Atomic mass. The name indicates the mass of an atom, expressed in atomic mass units (amu). Electronegativity according to Pauling. Density. Melting point. Boiling point. Vanderwaals radius. Ionic radius. Do […]

Can you see North Star from equator? As you travel northward, Polaris climbs higher in the sky. If you go as far north as the North Pole, you’ll see Polaris directly overhead. If you get as far as the equator, Polaris sinks to the horizon. South of the equator, Polaris drops out of the sky. […]