Why does rain make me feel safe? Studies have found that when rain sounds enters people’s brain, brain unconsciously relaxes and produces alpha waves, which are very close to the state of brain when human sleeps. Rain sound is generally between 0 and 20 kHz. It is not upsetting. On the contrary, this sound makes […]
Does helium go bad?
Does helium go bad? No, helium does not expire. You must close the valve tightly or helium will leak over time. Are Balloon Time tanks recyclable? What weight can helium lift? Helium atoms weigh less than the oxygen and nitrogen atoms in the air. Helium has a lifting force of about one gram per litre. […]
What happens to the size of pupil of our eye in I Dim Light II bright light?
Which mineral test is shown in the image 2 points image showing minerals that have been rubbed against a white board leaving different colored lines on the board?
Which mineral test is shown in the image 2 points image showing minerals that have been rubbed against a white board leaving different colored lines on the board? Streak test is a method to determine what color would the mineral had if it’s being transformed into a powdered form. This test is being done by […]
Can I sue my employer for not reporting my injury?
Can I sue my employer for not reporting my injury? Updated January 3, 2021 An employee injured on the job in California is generally limited to seeking recovery by filing a workers’ compensation claim. This means he or she cannot sue the employer in civil court. Can you get fired for not reporting an injury? […]
What are the two types of surface waves?
What are the two types of surface waves? The two types of surface waves are named Love waves and Rayleigh waves, after the scientists who identified them. Love waves have a horizontal motion that moves the surface from side to side perpendicular to the direction the wave is traveling. Of the two surface waves, Love […]
Does drag force increase as velocity increases?
Does drag force increase as velocity increases? The downward force of gravity remains constant regardless of the velocity at which the person is moving. However, as the person’s velocity increases, the magnitude of the drag force increases until the magnitude of the drag force is equal to the gravitational force, thus producing a net force […]
What does the summer solstice mean spiritually?
What does the summer solstice mean spiritually? Here, at the Summer Solstice, the longest day of the year, we are fully awake. Our spirits are alive, refreshed, renewed, energized; all that good, juicy, rich stuff we feel in the sun. On these long days of summer our spirits yearn to be out, to feel alive, […]
Can you feel when your brain is touched?
Can you feel when your brain is touched? How much you empathize with other people seems to reflect how strongly your brain—your primary somatosensory cortex—“feels with” them when you see them being touched. Of course, all these claims require further investigation. And, of course, empathy is a complex phenomenon. Does the brain touch the skull? […]
Can two electrons attract each other?
Can two electrons attract each other? Show animations and explain that protons and electrons have opposite charges and attract each other. Project the animation Protons and Electrons. Explain to students that two protons repel each other and that two electrons repel each other. But a proton and an electron attract each other. What happens when […]