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How To: Fold an origami catamaran boat

Not only is origami useful for making things that appear like they should be able to float (like paper swans), it's actually good for producing things that do — like paper boats. With this guide, you'll learn how to make a paper catamaran with origami, the traditional art of Japanese paper folding. For more information, including a step-by-step overview of the folding process, as well as to get started making your own floating paper boats, watch this free origami lesson.

How To: Tie your own tzitzit (or tzitzis)

This instructional video, produced by Jewish Pathways, demonstrates how to tie your own tzitzit (or tzitzis). Tzitzis are fringes or tassels worn by observant Jews on the corners of four-cornered garments, including the tallit (prayer shawl). They are considered a time-bound commandment, which means they are worn only by men. This Judiasm video will help you learn how to tie, knot and twist strings - tzitzit - to a garment.

How To: Make a flying tea bag

This video tutorial demonstrates how to make a flying tea bag. You only need is a cheap tea bag and a match to set it off. The tea bag remains are so light that the hot air produced from the ashes is enough to make them lift into the air. This experiment is slightly dangerous, so be careful!

How To: Understand why apple trees need to be pruned

Each year an apple tree should produce three things: new growth, fruit buds on last year's and older growth, and fruit on those fruit buds formed in previous years. In order to keep an apple tree in balance and fruiting, one must prune. However, pruning is often done poorly. In this, the first installment of his series on practical apple tree pruning, Stephen Hayes of Fruitwise Heritage Apples looks at the general structure of the apple tree.

How To: Create a photo album in iPhoto

In iPhoto, you'll use album to organize and arrange your photos the way you want, kind of like a playlist in iTunes. You can also use albums to publish webpages, create slideshows, and produce photobooks, calendars, and greeting cards.

How To: Mix audio in Final Cut Express

When your edit is complete, or locked, the next step is to fine tune your audio. Adjust the audio levels of your clips to produce a balanced sound mix. In Final Cut Express, you can control audio levels in the timeline and the viewer. You can even add keyframes to make level changes over time.

How To: Do the Cable Chain Stitch

There are many variations on the chain stitch used in hand embroidery. Here's one that produces a "realistic-looking" chain, with a small link between each of the loops in the chain stitch. It's called the cable chain stitch. Watch this video from Needle 'n Thread to see how it's done.

How To: Take someone's blood pressure

Everything you need to know about checking a person's blood pressure. Be sure to warn the patient about inflation and deflation. Make sure they remain sitting for 3 minutes. Great details for special need patients like diabetics. This very detailed video is well produced and great picture quality. Be warned, the video is 44 megs in size.

How To: Understand car battery basics

For most automotive applications a battery needs to supply a lot of current for a short period of time to turn over the engine and get the car started. With the engine running, the car's alternator produces all the power the car needs. Thin plates inside a starting battery increase the surface area and produce this relative burst of energy. Thicker plates in a deep cycle battery provide a steady amount of current over a long period of time. Deep cycle batteries excel in reserve capacity (RC),...

How To: Bend and overblow notes on the harmonica

Learn how to bend and overblow notes on the harmonica with this tutorial. Note bending is a technique that is used to change the pitch of a note and reach notes that are not on the diatonic harmonica. Overblowing is a technique used to produce a different pitch by changing the direction of the wind. Watch this how to video and you can produce these techniques on the harmonica.

How To: Get the Pixel's Google Camera App on Your Galaxy S20, S20+, or S20 Ultra

Samsung put some of the industry's most advanced camera tech in the Galaxy S20 series. However, their image processing still lags behind the Google Camera app found on Pixel phones, so the end result is good but not great. Luckily, you can install a mod to pair that beastly hardware with arguably the best camera software.

News: New Magic Leap Gesture Documentation Offers Insight into How Hands Will Make Its Digital World Come Alive

As the week of the Game Developer's Conference hits the mid-point, we've already had some major announcements hit the AR space. The specific timing of these announcements are thanks in part to a conference within a conference called VRDC, aimed at VR, AR, and MR developers. And while the week is hardly over, the announcement that is still having a big effect on the developer population is the reveal of the Creator Portal for the long-awaited Magic Leap One device.

News: Meet the Honor 7X — Huawei's New Premium Budget Phone

Huawei has been on a roll recently. They just became the second largest smartphone manufacturer in September, passing Apple and trailing only Samsung. Shortly after, they announced their new Kirin 970 flagship SoC to rival the Snapdragon 835, then followed that up by announcing the Mate 10 and 10 Pro. Well apparently, Huawei isn't done with announcements just yet.

News: Researchers Look to Cows to Create Vaccine for HIV

A vaccine against HIV might prevent the disease that we can't seem to cure. Some HIV patients make antibodies that can take down the virus, much the way a vaccine might. But, scientists haven't been able to provoke that type of response in other people. However, in a process that might work in humans, a group of researchers has successfully generated antibodies in cows that neutralize multiple strains of HIV.