Category: Physics

What is the relationship between art and science? Traditionally, art and science have been treated as two separate disciplines, but when they are studied together it’s clear to see the impact one has on the other. A great deal of creativity is required to make scientific breakthroughs, and art is just as often an expression […]

Why does a glass rod become positively charge when it is rubbed with a silk cloth? When you are rubbing the glass rod with the silk cloth, electrons are stripped away from the atoms in the glass and transferred to the silk cloth. This leaves the glass rod with more positive than negative charge, so […]

What causes the ice in my drink to melt? If you drop an ice cube in a glass of warm liquid, then as the ice melts, the cold liquid from the ice cube moves to the bottom of the glass while warmer liquid moves up to take its place (this is because warm liquid is […]

How often should I be putting air in my tires? A good rule of thumb to remember is that your tires lose about one PSI every month after you fill them, so checking every month can help you to ensure that they are always inflated to the proper pressure. You won’t see quite as many […]

Does salinity affect dissolved oxygen? The solubility of oxygen in water is dependent on salinity, while the partial pressure and the % saturation of oxygen is not affected by changes in salinity. Increasing the salt concentration leads to a decrease in oxygen solubility. What is a good dissolved oxygen level? Healthy water should generally have […]

How do you politely decline an answer question? 17 Amazing Tricks for Dodging Unwanted Questions Enlist the help of a friend. Sometimes, you just know someone is going to ask you an unwanted question. Restate—and reframe—the question. Deflect with a joke. Offer advice instead of an answer. Deflect the question back to the asker with […]

Can you cross a double line to pass a cyclist? When passing a cyclist you can cross double lines provided it is safe. You need to be aware and have a clear view of any approaching traffic. You can only overtake and cross the white double lines when there is no vehicles coming towards you […]

Should Bluetooth be on or off? Whenever you don’t absolutely need it, you should go ahead and turn it off. Minimizing your Bluetooth usage minimizes your exposure to very real vulnerabilities. You might end up flipping the switch fairly often to use Bluetooth headphones. But you likely don’t use Bluetooth most of the time. What […]

What were the long term effects of the light bulb? The long term effects of a lightbulb is to light up cities, used to create phones and laptops and used in cars as headlights. Thomas Edison invented many inventions which made a positive impact on the Industrial Revolution and the future. How much did a […]

What is threatening behavior in the workplace? Threatening behavior is an individual’s threat, either overt or implied, to commit an act of physical aggression or harm at the workplace. Examples include: (1) Threats to cause bodily harm or death to another person (including stalking, bullying, or other abusive or aggressive behavior); What is aggressive behavior […]