Eating food during Eclipse

I heard that we ought not eat anything in eclipse hours. Is there any scientific reason for that? Tejaswini  asked Answer: There is no scientific reason behind it. Earlier it was thought that more harmful rays are reaching earth from sun at the time of eclipse. But actually it is less at the time of eclipse as … Continue reading Eating food during Eclipse

Why protons attract inside a nucleus?

What is the reason for proton- proton attraction inside the nucleus according to nuclear physics? (Sanjeev Asked) Answer: Inside the nucleus where the nucleons are very close to each other, the force which holds them together is the nuclear force, which is the strongest force in nature. The electrostatic force between protons is negligibly small … Continue reading Why protons attract inside a nucleus?

Why can’t we see through opaque objects?

Why can’t we see through opaque objects? What is the reason? (Kavya asked) Answer: When light falls on an object, a part of it is absorbed, another part transmitted and the rest reflected. Surfaces have different abilities for these. Substances which do not transmit any light are opaque. Incoming search terms:what are the possibilities of [...]

Why does magnet attract only some of the materials like iron why not plastic ? What is the absolute reason behind it?

Why does magnet attract only some of the materials like iron why not plastic ? What is the absolute reason behind it? (Ankit Gururani posted in facebook) Answer: The answer cannot be limited to a quick reply. The cause of magnetism is revolution of electrons. A revolving electron acts like a tiny magnet just like a [...]

you are given two nichrome wire of same length and different thickness Which wire will get heated first Give reason.?

You are given two nichrome wire of same length and different thickness Which wire will get heated first Give reason.? Asked Merlin Mary Mathew Answer: If the wires are connected one by one to a source, (or connected in parallel to the same source) the one having less resistance (Greater thickness) will get heated up first. [...]

Bringing Fusion Reactor to a Reality :: Read and Watch the efforts and Achievements

Know more about the Nuclear fusion Reactor and the efforts behind bringing it to a reality. Fusion – the nuclear process that powers the Sun – has long held promise as a potential source of energy here on Earth. But recreating such conditions under experimental conditions is far from easy, which is one reason why … Continue reading Bringing Fusion Reactor to a Reality :: Read and Watch the efforts and Achievements