The Latest from WonderHowTo: Page 561

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to handle reaction mechanisms in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

This is a Greek twist on the crab cakes we all know and love, with a tzatziki being the creative addition to the delicious fried crab cakes. The tzatziki is a wonderful Greek yogurt and cucumber sauce, which compliments the fresh avocado relish and the creamy heirloom tomato vinaigrette that gets its gorgeous color from the variety of colors you can choose from in heirlooms. You can make most of the components of this dish ahead of time, then just blend the vinaigrette ingredients and cook up...

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to visualize chiral molecules in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

Babies are pretty adorable, but the many disgusting fluids they intake and excrete make cleaning up after them a nightmare. If you're a new parent, watch this video. It will show you how to use all sorts of cleaning products to clean up different kinds of baby stains, from drool to baby formula to "mystery stains".

Measuring the voltage of a piece of electrical equipment is a somewhat dangerous and complicated but necessary process if you want to do any sort of DIY electrical projects. This video will show you how to use a multi-meter to read the DC voltage of a power drill battery, with an emphasis on what you need to do to complete this process safely.

Painting a pattern on your hardwood floor can be a great way to give it some flair without ripping up the floor. This video will show you everything you need to know to measure out, mark, and paint a pretty diamond pattern on your hardwood floor yourself

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to use Markovnikov's rule to figure out which addition reaction is most likely in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

What's in a name? Well, your chemistry grade, for one. In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to .... Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

Carving Jack-O'-Lanterns is actually one of the safest parts of Halloween, despite the sharp knives involved. There are all kinds of techniques and styles, and this video will give you some great tips to help your pumpkin carving. It includes tips for keeping your pumpkin from getting mold and making it smell nice, and also advice on the use of foam pumpkins for those who want to eschew the mess of using the real thing.

What's in a name? Well, your chemistry grade, for one. In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to name alkyl halides. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

UPDATE: Here's the latest on the optical illusion disaster waiting to happen: the "warning illusion" has been installed, and now you can now see it in action below.