Who is the original inventor of WiFi? Hedy Lamarr Why was WiFi originally invented? Wifi 101 tells the story behind the creation of wifi technology in a radio-physics lab at CSIRO in the 1990s. The team recognised the problem of reverberation, where in confined spaces radio waves bounce off surfaces such as furniture and walls, […]
How does energy change form in a flashlight that uses a battery?
How does energy change form in a flashlight that uses a battery? The battery has chemical energy. When the flashlight is turned on, the chemical energy is first transformed into electrical energy and then into light energy. What is the energy conversion in a battery? A battery is a device that stores chemical energy and […]
Is it bad to use steam room everyday?
Is it bad to use steam room everyday? Steam rooms have plenty of potential health benefits, but they can be harmful if you overuse them. Staying in a steam room for more than 15 minutes can dehydrate you. Steam rooms can also host other people’s germs. How often should you steam sauna? While it’s best […]
Why does NASA say Houston?
Why does NASA say Houston? “Houston, we have a problem” is a popular but erroneous quotation from the radio communications between the Apollo 13 astronaut Jack Swigert and the NASA Mission Control Center (“Houston”) during the Apollo 13 spaceflight on 13 April 1970, as the astronauts communicated their discovery of the explosion that crippled … […]
What can I use instead of glycerin for bubbles?
What can I use instead of glycerin for bubbles? If you don’t have glycerin on hand, you can substitute with light corn syrup. Distilled water will provide best results but you can substitute with regular tap water if needed. How do you make unbreakable bubbles without glycerin? Instructions to Make Bouncing Bubbles without Glycerin Add […]
Who was Obama czars?
What are the stages of Giardia lamblia?
What are the stages of Giardia lamblia? Giardia has one of the simplest life cycles of all human parasites. The life cycle is composed of 2 stages: (1) the trophozoite (see the first image below), which exists freely in the human small intestine; and (2) the cyst, which is passed into the environment. No intermediate […]
Can I use cookie cutters for donuts?
Can I use cookie cutters for donuts? Donut Metal Cookie Cutter is a silver metal cutter that is round with a hole cut-out the center and perfect for cutting out donuts. Whether your are creating sweet treats for a party, event, or just yourself, make it simple with the right tools! How do you use […]
How do I get to Enterprise at JFK?
Where is Fairtrade apple from?
Where is Fairtrade apple from? The fruit is grown for Waitrose on the Vuki Trust farm in the Grabouw region of South Africa. Where do fair trade products come from? The Fairtrade system is made up of: Three regional producer networks that represent farmers and workers in Africa and the Middle East, Asia and the […]