Are Stirling engines still in use? They carry compressed oxygen to allow fuel combustion submerged, providing heat for the Stirling engine. They are currently used on submarines of the Gotland and Södermanland classes. Why is a Stirling engine so special? Stirling engine has high possibility to achieve low level of […]
How do companies make money from gift cards?
How do companies make money from gift cards? Businesses earn a return from gift cards in a few different ways; here are three of the most important: Referred Customers. Gift cards let loyal customers refer other potentially like-minded consumers to a business. Unspent Balances & Fees. Customers Who Overspend The […]
What size resistor should I use with an LED?
What size resistor should I use with an LED? LEDs typically require 10 to 20mA, the datasheet for the LED will detail this along with the forward voltage drop. For example an ultra bright blue LED with a 9V battery has a forward voltage of 3.2V and typical current of […]
How much money do you need for a trip to Hong Kong?
How much money do you need for a trip to Hong Kong? It obviously depends on the type of traveller you are. Luxury travellers could spend more in one night than most people do in a week. If you’re on a budget, Hong Kong is a great place to make […]
Are sobriety tests made to fail?
Are sobriety tests made to fail? Roadside field sobriety tests (“FSTs”) are commonly used by police officers in DUI investigations to determine whether a driver is under the influence of alcohol. Unfortunately, however, they have no real basis in science and are almost useless in a drunk driving case. Does […]
Can you make a living off horse racing?
Can you make a living off horse racing? The most frequent question we get asked is “Can you really make money betting on horses?”, and the simple answer is yes. When you win money at the race track you are taking money away from the other people who bet on […]
How does gamma-rays affect Earth?
How does gamma-rays affect Earth? Gamma-rays can kill living cells, a fact which medicine uses to its advantage, using gamma-rays to kill cancerous cells. Gamma-rays travel to us across vast distances of the universe, only to be absorbed by the Earth’s atmosphere. Different wavelengths of light penetrate the Earth’s atmosphere […]
What are the main points of new education policy?
What are the main points of new education policy? – As per the new policy, there will be 12 years of schooling with three years of Anganwadi/ pre-schooling. – The new policy emphasises on Foundational Literacy and Numeracy. There will be no rigid separation between academic streams, extracurricular, vocational streams […]
Does exposure to online content affect you positively or negatively?
Does exposure to online content affect you positively or negatively? We found that routine social media use—for example, using social media as part of everyday routine and responding to content that others share—is positively associated with all three health outcomes. For those with unhealthy social media use, behavioral interventions may […]
How do you calculate force due to water pressure?
How do you calculate force due to water pressure? ρ = density of water in kg. m. g = gravitational force in 9.81 m.s. h = height in m….The water pressure formula and SI unit are given as: Formula Water pressure= ρ g h SI unit Pa How do you […]
What are the critiques against Kantian ethics?
What are the critiques against Kantian ethics? The most common and general criticisms are that, because it concentrates on principles or rules, Kantian ethics is doomed to be either empty and formalistic or rigidly uniform in its prescriptions (the complaints cannot both be true). What is one of the major […]