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News: Quanergy's New $250 Solid-State LiDAR Could Bring Self-Driving to the Masses

One of the big hurdles when equipping vehicles with sensors for autonomous driving is the cost. For example, the Light Detection and Ranging (LiDAR) sensors that power many versions of self-driving car technology are pricey, currently ranging from around several thousand dollars up to $85,000 per sensor—and vehicles often need multiple sensors to see enough of what is going on around them to drive safely.

How To: Make an herbal liniment

John Gallagher here explains the process of making herbal liniments. We use Comfrey root (1 ounce) 3/4th ounce of valerian root and ½ ounce calendula flower along with 1/4th teaspoon cayenne pepper and 3/4th ounce of ground cinnamon. Pint of rubbing alcohol or grain alcohol along with pint jar, strainer, cheese cloth and a coffee filter will also be needed. All the herbs in required weights have to be mixed. Pour the rubbing alcohol to fill the jar to the top. Stir it then. Always label your ...

How To: Treat acne and pimples with honey

Treat your acne and pimples the natural way with this video! Take some honey and put it in a small microwave safe bowl. You will want to heat it for maybe 8-10 seconds. You are not trying to heat the honey and make it hot. You are trying to thin the honey out a little bit so that it is not so thick. Before you heat it, it is harder to spread and sticky. Get a cheap foundation brush and use it to apply the honey. Start in the affected areas and spread it out over your whole face because it's g...

How To: Clean dirty coins using multiple methods

Kevin demonstrates multiple methods to clean dirty coins.In the first method he takes some coke in a glass and hangs a dirty coin in it with the help of a string. This coke technique takes a few hours.In another faster technique which takes only 20 to 30 minutes he takes table salt and food vinegar. He takes the table salt and dissolves it in vinegar in a bowl. When most of it is dissolved he drops a dirty coin in it and waits about 20 minutes.Another method is to rub toothpaste on the coin f...

How To: Make Homemade Carrot Cake

Don't buy a carrot cake from the store—make a delicious one right in your own kitchen with your own two hands. A homemade carrot cake is always more appreciated and enjoyable than a store-bought one. So try this recipe out! This gorgeous carrot cake boasts three layers. The various textures of shredded carrots, chopped pineapple, and velvety cream cheese frosting combine to make every bite memorable. And wait until you see how it's decorated. A winning technique from Clare Garland of Ashmont ...

How To: Cook a London broil grilled steak

Make London broil grilled steak by following these easy steps! Enjoy cooking! London broil is a preparation, not a cut of meat. It is a steak that is pan-fried (and therefore not grilled) over high heat only to medium rare, beyond which point it becomes inedibly tough. It is a useful preparation for lean, tough cuts of meat, such as flank steak, shoulder, and round. To the less pure, London broil is a preparation that involves marinating a flank steak, then grilling, broiling, or pan-frying i...

How To: Help stretch marks, teeth, cellulite, and scars

Simple but effective tips for a better and beautiful you. For a whiter teeth use a toothpaste with a high fluoride content such as Sensodyne. Brush teeth as usual but avoid rinsing your mouth and do not spit off all the fluoride and let it stay in your mouth. Do this every night. For scars, stretch marks, cellulite, anti-aging, dry skin, use bio-oil. It is pure saline oil and a non greasy formula that has healing properties. Just spray a little bit of bio-oil to the affected area. for underar...

How To: Make creamy cheddar soup with Paula Deen

Hot, rich and creamy, Paula Deen's cheddar soup is pure comfort food. Try making a creamy cheddar soup on a cold winter day. This cooking how-to video is part of Paula's Home Cooking show hosted by Jamie Deen, Paula Deen. Paula Deen, owner of Lady and Sons, a famous Savannah restaurant, is Food Network's resident southern chef. Step inside her kitchen and discover delicious food that's both uncomplicated and comforting. You'll just love the sharp taste that the cheddar cheese brings to this c...

How To: Find molar mass

It’s time for science. You are able to calculate the molar mass for a compound using the periodic table and the amount of compound involved. You might need to know this in your everyday life but you will definitely need this in a chemistry class.

How To: Make your own laundry soap

To make your own laundry soap you will need washing soda, borax, and a bar of pure soap. Any bar of soap will work. You just don't want to use a moisturizing soap or other soaps with added ingredients. Take your bar of soap and grate it into a storage container using a cheese grater. Add two cups of borax and two cups of washing soda. Use a large spoon and mix it up. As you are mixing the ingredients up make sure that you break up any clumps in the mix. For a front loading washer you will use...