Imprecise Science Search Results

How To: Work with SN2 reactions in stereochemistry

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to handle SN2 substitution reactions in stereochemistry. 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.

How To: Make a multi-colored duct tape wallet

Why buy a brand new wallet when you can make one? And out of duct tape! Take the original duct tape wallet idea and kick it up a notch with help from this tutorial presented by Seasonal Science on how to make a multi-colored duct tape wallet. Show off your unique style at school with this unique accessory!

How To: Find the volume of a rectangular prism easily

Finding the volume of a rectangular prism is something you will need to master to pass geometry. You may also use this equation in some science classes. This tutorial will show you exactly how to find the volume of a common rectangular prism. The video also offers two different examples and step by step instructions. Follow along with this video and you will soon have this concept down pat.

How To: Set up an intravenous line

This video tutorial shows how to set up an intravenous line, or intravenous drip. Most are familiar with IVs, as a way of providing people undergoing medical treatment that are otherwise unable to ingest food with vital nutrients. Watch this educational medical science video and learn how to set up and insert an intravenous line.

How To: Build a sci-fi cryo containment chamber

Making a prop for a science fiction movie? This how-to video dives step by step guidance on how to build a super cool, futuristic, sci-fi, cryo containment chamber. You will need a cylindrical object, craft foam or sytrofoam, a hot glue gun, plaster of Paris, aquarium line tubing, and paint. Check out this video prop-making tutorial and learn how to build a great sci-fi like cryogenic containment chamber.

How To: Make a paper color spinner with Crayola

Bring all of the colors of the rainbow together with this cool color spinner. You and your child will learn how to mix colors to make new colors with this fun arts and crafts project from Crayola. You will need white poster board, a paper plate, a circle maker or compass, scissors, a ruler, markers, crayons, colored pencils, and tape. With this how to video you can teach your child about colors and science with this paper color spinner.

How To: Set up a campsite

There’s an art and a science to setting up camp, and this how-to video is going to teach you both. Setting up a camp sit is difficult for most, so these simple instructions can teach you a lot about how-to set up your campsite.

How To: Build a bearded dragon habitat

Creating a safe and appropriate environment for your bearded dragon requires knowledge of the animal's place of origin, as well as elements of an artificial habitat that enrich the lizard's daily living. Host Israel Dupont and herpetologist Hillary Dupont take you through step by step in what turns out to be a fun experience of science mixed with reptile interior decorating.

How To: Practice Kabbalah

This video includes the 3 reasons why Kabbalah is called “the hidden science.” Kabbalah studies how our life and our world has been created, and how to achieve connection with our life’s source, the totality of reality.

How To: Know the difference between a ritual and a ceremony

Guruka Singh shares his thoughts on the difference between doing something as a ritual and a ceremony. Also taking about the power Guruka Singh shares his thoughts on the difference between doing something as a ritual and a ceremony. Also taking about the power and science behind many of the Sikh related practices

How To: Make blobs in a bottle with a Lava Lamp effect

The World's Easiest Lava Lamp! This is an easy, fun science activity that is great for any age. In fact, our video crew ended up taking the extra bottles home to show their friends. It is also a great demonstration of liquid density, the release of gases in a chemical reaction, acids and bases, intermolecular polarity, and well, just plain science coolness.

How To: 13 Unexpected to Downright Crazy Uses for Mason Jars

Invented by Philadelphia tinsmith John L. Manson in 1858 for canning and preserving perishables, mason jars are experiencing a major resurgence in the DIY community. In addition to being a handy storage device for both food and non-food items, its old-timey, quaintly antiquated look also makes for good drinking glasses, candle holders, flower vases and eye-pleasing decorations.

News: Winners of Mad Science's Sugru Contest

Thanks to everyone who submitted ideas in last month's Mad Science contest. The question called for your best idea for using Sugru, a temporarily malleable silicone modeling clay that self cures for a soft-touch permanent bond. It's a marvelous product for at-home quick fixes and for even making some cool DIY bumpers and grips for your electronics. William scoured through all of the comments and chose the two winners he felt best deserved a pack of Sugru.

How To: Perform ballistics comparisons

In this scientific video tutorial, undergraduate students in a forensic chemistry lab demonstrate how to use a comparison microscope for bullet and bullet casing comparisons, and color developments tests for impression marking enhancement (such as for filed-off serial numbers). Learn how to perform ballistics comparisons! Just like in CSI.

How To: Unravel the bones of the equine thoracic limb

Check out this anatomy video tutorial series that covers the thoracic limb of an equine. If you're a veterinarian, or want to be one, then you have to watch this educational video on the equine thoracic limb anatomy: bones and deeper structures. Take a dissecting limb and compare it to the cleaned bones for anatomical comparison. This is a great way to learn more about the science of a horse.

How To: Make a penny operated nitric acid fountain

Watch this video to learn how to make a penny operated nitric acid fountain. Nitric acid acts upon copper to yield nitric oxide in an exothermic reaction. The expanding gas displaces water from another flask; actually bubbles in this set up. When the gas cools, the water is drawn back into the flask, dissolving the nitric oxide and forming a blue solution with the copper ions still there. Very cool science experiment with a neat reaction.