How can an engineer shape society? Just think about what the technological advances that are in our everyday lives; not only can we access the world with our fingertips, engineers have also allowed us to build satellites and machines that help us to understand the world we live and shape our lives on a daily […]
Why do fridge magnets only stick on one side?
Why do fridge magnets only stick on one side? How does this little thing even exist? Turns out that a refrigerator magnet is a Halbach array, which is a special arrangement of magnets that uses superposition to strengthen the magnetic field on one side of the array while cancelling the field on the other side. […]
What is deductive method in teaching?
What is deductive method in teaching? A deductive approach to teaching language starts by giving learners rules, then examples, then practice. It is a teacher-centred approach to presenting new content. This is compared with an inductive approach, which starts with examples and asks learners to find rules, and hence is more learner-centred. Which is a […]
Can you remove Gildan tags?
Can you remove Gildan tags? If the original manufacturer was Gildan brand and you wanted to remove that label you can replace it with “Your Brand Name”. Can you relabel Gildan? Yes, it is legal within given parameters. Nonetheless, there are strict guidelines checkmating this practice. According to these guidelines, you are expected to include […]
Is thermometer mercury dangerous?
Is thermometer mercury dangerous? The small silvery ball in a mercury thermometer can be dangerous if the glass breaks and the mercury is not cleaned up properly. The mercury will evaporate and can contaminate the surrounding air and become toxic to humans and wildlife. Each thermometer contains about . Can mercury leak from thermometer? If […]
What were three advances in technology that profound affect industry?
What were three advances in technology that profound affect industry? These are the first three industrial revolutions that transformed our modern society. With each of these three advancements—the steam engine, the age of science and mass production, and the rise of digital technology—the world around us fundamentally changed. How did business change in response to […]
What is the absorption of energy from waves?
What is the absorption of energy from waves? Absorption is when a wave comes into contact with a medium and causes the medium’s molecules to vibrate and move. This vibration absorbs or takes some of the energy away from the wave and less of the energy is reflected. One example of absorption is black pavement […]
What is the optical depth of the solar atmosphere?
What is the optical depth of the solar atmosphere? Hence for the Sun, where the majority of photons are emitted in the visible wavelength, the photosphere is often defined as the layer where light emitted at 5000 Å (green) has an optical depth of 2/3, ). What is the optical depth of the earth’s atmosphere? […]
Can a dam cause a tsunami?
Can a dam cause a tsunami? When dams fail, downstream areas are often inundated by floods, tsunamis, and mudflows. The failures often cause fatalities, destruction of downtream structures, denudation of land, severe pollution, and massive disruption of downstream ecosystems, economies, and communities. What caused the Vaiont landslide? The October 9, 1963 landslide and flood at […]
What are the criteria for selecting suppliers?
What are the criteria for selecting suppliers? There are eight common supplier selection criteria, in no formal order: Cost. Quality & Safety. Delivery. Service. Social Responsibility. Convenience/Simplicity. Risk. Agility. How do you assess a new product? Carry out the following steps to assess the viability of your new product. Estimate your product price. Identify your […]