Ralph Waldo Emerson once observed that "the seed of science" was "wonder," and taking a look at this nine-layer liquid tower from Steve Spangler's Sick Science! channel, one can't help but do just that — wonder. How is this possible? Is this magic or what? While it's not exac ...more
There are at least 24,000 different Android devices, and they all have varying hardware components. This is why many developers publish several unique variants of their apps, which, among other things, helps accommodate all of the different display sizes and resolutions on And ...more
Because of Android's massive array of supported smartphones that carry vastly different display sizes and resolutions, the operating system uses a value known as DPI to determine the size of icons and visual assets that will best suit a given screen. Pixel Density (or Dots Pe ...more
One of Microsoft Excel's capabilities is to allow you to graph Normal Distribution, or the probability density function, for your busines. This is a quick and easy tracking feature you can learn in just a few minutes.
Ever wonder why Jupiter has those colored bands across its surface? Jupiter's enormous mass is made from an array of different liquids, and those fluids do not play well together because of their different makeup. All of the hydrogen- and helium-based fluids are thought not to ...more
To find out the density of any given object there is a simple equation, mass divided by the volume equals the density. In this video a lady is showing how to get the volume of three objects using water. First the objects are measured on a scale to find out how much they weigh, ...more
Everyone floats in the Dead Sea because the amount of salt in water effects the density. Do a hands-on experiment and practice checking density. Here’s a good science experiment to do in class or at home, if you have access to an electronic balance. The density of salt water ...more
Watch this video tutorial to see how to make a colorful density bottle. To do this science lab experiment, you'll need food coloring, a plastic bottle, clear baby oil and extra things to put into the bottle, like glitter or sparkles. Now, keep in mind, you can't drink this... ...more
Density is a means of representing how much mass is contained in the body of an object. The basic formula is: Density (D) = Mass (M) / Volume (V) so D=M/V. Density is important to know for buoyancy and to understand how heavy an object is. This video will show you three exampl ...more
Check out this instructional science video that demonstrates the details about the activity density rainbow. From the Oregon Museum of Science and Industry's teacher curriculum, "No Hassle Messy Science with a Wow", this is an activity demonstrating liquids with different dens ...more
Ransack your kitchen and grab some dish soap, vegetable oil, honey, food coloring, rubbing alcohol, tall glass, water and a spoon. Why? Because you're going to create a visually stunning display of layered liquids. This illustrates the effects of different densities in liquids ...more
Ever wonder how much sugar is in your soda? This simple experiment that anyone can do puts Coke and Diet Coke head-to-head in a density test.
This science video explains the relationship between buoyancy and density using hot air balloons, fish and cruise ships as examples of objects using buoyant force. This video tutorial also includes instructions for calculating the density of a rectangular prism and a liquid. I ...more
In this how-to video, Ed Laivo and Tom Spellman of Dave Wilson Nursery give you advice on how to prune high-density fruit trees as they look at Santa Rosa plums, pluots and nectarines in their own orchard. Watch this video to learn how to open your trees up for sunlight and ai ...more
School yourself on density with help from this video courtesy of Kruse teacher. In this tutorial, get a quick demonstration on the subject of density, mass and volume. Also learn how to find the density of two different kinds of objects through the power of math!
If your students are having trouble remembering how to calculate density properly, check out this video. In it, you will learn the lyrics to a very fun song that will help your kids with the equations and vocabulary. Follow along with Mr. Edmonds as he shows you his favorite s ...more
In this episode of Science Theater Dr. Carlson helps you understand the concept behind Density and how it relates to Mass and volume and how to calculate the Density of a substance if its Mass and Volume are known. The Density of various metals is demonstrated using aluminum, ...more
This clip offers a quick guide on how to work with point density volumetrics within Blender 2.5. This same technique can be used to make tornados, drifting fog, dry ice and a great number of other things. Were you aware Blender 2.5 includes a cloud generation script? See how t ...more
Photography is a fast growing hobby with the relative drop in prices of high grade equipment. The use of different filters in photography is a very common thing, and different filters have very different uses. The neutral density (ND) filter reduces the amount of light reachin ...more
In flight school, at some point or another you will be asked to determine your density altitude. In this professionally taught tutorial, lean how to calculate density altitude on a flight computer. This lesson is taught by an instructor from the Golden State Flying Club at Gil ...more
Increase muscle density by watching this two minute tutorial. Muscle density is important for keeping your body strong and active now and especially as you get older. While this video focuses on a density exercise that's geared towards swimmers, anybody can benefit from the s ...more
If your students are having trouble with density, check out this tutorial. In this entertaining video, teacher Mr. Edmonds goes through all the steps to find the density of an irregular solid object to the tune of "Afternoon Delight". This song should help your kids remember h ...more
Can you guess which household liquids sink and which ones float? Play along with the A-TV science team in this video lesson! 1. Do a Liquids Mix Experiment: First thing you are going to do is take a glass beaker and pour some water into it. If you don't have a glass breaker, ...more
In this amazingly in-depth tutorial video they go into great detail on all of the methods of using GND glass filters, along with it's general purpose is and what it can do for you! For those not in the know, GND filters are glass lens attachments that come in graduated varying ...more
The SubStream's "Film Lab" provides valuable information for filmmakers, specifically cinematographers and gaffers, on how to use neutral density gels. Gels are used to change the quality or color of the light in a scene. Gels can come in many different sizes: they can extrem ...more
A common problem when shooting in low-light situations is that even if you open your lens to its lowest f-stop number, you're left with an image that's far too dark. One obvious remedy is to add more light. But what if you don't have more lights available to you? That's where ...more
Starting with the release of Android Lollipop, the process of installing the Xposed Framework got a bit more complicated. Not only are there separate installers for each Android version, but now, you also need to know exactly what type of processor is in your device to make su ...more
Unless you're a high-schooler building a nuclear fusion reactor, the hardest part of a science investigatory project often is coming up with a good idea. You want it to be cool yet feasible, novel but still useful. That's why Ai-ni Bautista's science project on making liquid ...more
When I first received my HTC One M8, I was in love with the 5-inch screen size, but the icons and font just seemed too big, wasting valuable screen real estate. Phablets, like the Samsung Galaxy Note 4, have only slightly larger screens, but don't seem to have this problem sin ...more
Interesting reaction coke and milk The reaction of phosphoric acid (V) to proteins in the milk - they are cut and causes a precipitate The reaction of phosphoric acid with calcium contained in milk gives rise to a precipitate 3Ca + 2H3PO4 ///\\\ Ca3(PO4)2 + 3H2 It is a reacti ...more
Android comprises an entire ecosystem of apps, games, functions, and features, so it would only make sense that it has its own lexicon. Words, phrases, and acronyms that didn't exist ten years ago are now used in an off-the-cuff style by developers and support technicians acro ...more
Besside-ng is the hidden gem of the Aircrack-ng suite of Wi-Fi hacking tools. When run with a wireless network adapter capable of packet injection, Besside-ng can harvest WPA handshakes from any network with an active user — and crack WEP passwords outright. Unlike many tools, ...more
One of the best things about the Samsung Galaxy S3 is the ability to modify the device in countless ways, as with any other Android device. A recent guide on adding softkeys to the GS3 from mod Faisal inspired me to share some information on how to edit build.prop, which is y ...more
Frosting, for many, is the best part of the cake. There's not much to dislike about it, after all—there's a type of frosting for every person. Whipped frostings for those who like it light, dense buttercream for indulgent sugar fans, cream cheese frosting for the tangy crowd.. ...more
Two slices of whole-wheat toast with lots of butter. Two eggs, poached to a firm yet custardy texture. The yolks should absolutely not be hard-cooked and the whites should be tender, not rubbery. That's my idea of the perfect breakfast. A golden, runny-but-not-liquid yolk, cre ...more
When shopping for a new smartphone, you'll encounter comparisons and spec sheets that are filled to the brim with values like mAh, GB, and GHz. To the average consumer, however, these values are meaningless, so we end up looking at which device has the specs with the highest a ...more
Apple has something big in store for consumers in 2017 to mark the 10th anniversary of the iPhone. One major surprise is that Apple has decided to forgo on releasing a 7S in favor of a redesigned iPhone 8 and 8 Plus. To further commemorate its 10-year milestone, the Cupertino- ...more
For many, phones are starting to replace televisions as the primary device for watching videos. Thanks to their portability and easy to use apps, it's often simpler to watch Netflix, Hulu, YouTube, or Prime Instant Video on the smaller screen. But not every phone is suited to ...more
It's live! Google has finally unveiled the much-hyped makeover of their Gmail email service. As of yesterday, anyone who wants to update to the new Gmail look can, but in the coming days it will be forcefully pushed to Gmail users everywhere. If you enjoyed the look of the old ...more
Chances are that you've been using your microwave just to nuke leftovers, but they can do so much more than heat up last night's dinner—microwaves can help you peel garlic more quickly, get more juice out of lemons, disinfect your kitchen, dry out herbs, give beauty products n ...more
So the new iPhones have arrived. Like last year, Apple released three iPhones in three different sizes that vary in price and specs. There's the base model iPhone 11, and then there are the real deal, premium models, the iPhone 11 Pro and Pro Max. The iPhone 11 Pro and 11 Pro ...more
The Nexus 6 is one of the few devices on the market that sports a 1440p "QHD" display. This means that the amount of pixels displayed is higher than almost any other smartphone, which sounds great on the surface, but is not without its drawbacks. For one, most apps and games ...more
With the new version of Android due out very soon, Android 5.0 "Lollipop" has received a ton of press lately. It's all well-deserved, of course, because the new "Material Design" interface is absolutely beautiful. While we've covered methods on how to get a little bit of that ...more
There are a ton of cool features available on your Samsung Galaxy Note 2, but if you're a softModder, you can make your phone do just about anything. Therein lies the problem…what do you want from your Android device? When you first start tinkering around, it can be troubles ...more
Smartphones have otherworldly specs these days, so it's relatively uncommon that you hear someone complaining about display resolution, build quality, or general speed and performance. At best, these are secondary concerns, with the number 1 issue almost unilaterally being bat ...more
The new iPhone XR, XS, and XS Max have everyone buzzing. But, at first glance, the XR and XS look pretty similar in almost every way. So, what's the difference? It comes down to the XR's "Liquid Retina" LCD screen vs. the XS's "Super Retina" OLED display. How do they compare, ...more
Seldom does a woman want to increase her butt and waist size, but for those who work in theater, a big butt may just be a requirement for a role. However, faux butts and hips will generally rob your wallet of quite a steep amount of money, so why not make them yourself? All y ...more
With the new navigation gestures in Android 10, you reclaim a lot of screen real estate that used to be occupied by the back, home, and recent apps buttons. But there's still a small bar on the bottom edge of the screen, and in most apps, it still sits atop a black background. ...more
If you're anything like me, your day doesn't start until you've sloughed away your grogginess with a scalding hot shower. That perfectly-heated water can clear stuffed sinuses, relax the muscles, and make pretty much anyone feel squeaky clean. However, a cold shower can do eve ...more
The build.prop file in an Android device is home to many system-level values and settings. Everything from screen density to video recording quality is covered in this file, and people have been editing these entries to get new functionality and better performance since Androi ...more
The original iPhone SE was, for some, the perfect iPhone. It brought back the popular one-handed form factor of the iPhone 5 but packed in the internals of the then-new iPhone 6S. Now, the second-generation iPhone SE is here for 2020, but can it live up to what made the first- ...more
This is how to make a near professional grade lava lamp. We did this as a chemistry project. We perfected it in a week. This took many hours to do, as we had to get the density just right. We remade it three times, also. At the very end, we combined all of the wax into a huge ...more
Many modern Android devices use a display technology called AMOLED. These screens differ from traditional LCD displays in that each pixel emits its own light, so a backlight is not required. Even better, when rendering a black element on the screen, AMOLED displays simply don' ...more
Three new iPhones means you have to make a choice: Do you go with the smaller iPhone XS, the larger iPhone XS Max, or the cheaper iPhone XR? There's lots to like about each model, but if you want to make an informed decision, it's time to learn what each has to offer. Here's w ...more
Apple has four iPhone models for the remaining months of 2020, but the most impressive ones are the iPhone 12 Pro and iPhone 12 Pro Max. While the iPhone 12 and iPhone 12 mini are great smartphones, the "Pro" models offer more advanced features, especially for photographers an ...more
People tend to skip toasting nuts in recipes or before adding them to salads because it seems time-consuming and the margin for error is high. However, skipping this step is a big mistake. Why? Because when you skip toasting your nuts (go ahead, you can laugh, we're all doing ...more
Right now is that magical time of year when the general public decides to embrace their inner fattie and get baking in the kitchen. Hello, pies and cakes and cookies and everything carbs. Goodbye, diets—see you in the next year, when you cripple us with unbridled guilt and lon ...more
If you're looking to get a new iPhone 14 Pro or 14 Pro Max, which model should you choose? What makes the iPhone 14 Pro different than the 14 Pro Max? Find out. In the same vein as the iPhone 13 Pro and 13 Pro Max models, the 14 Pro and 14 Pro Max are identical except for a f ...more
Sodium (chemical symbol Na) is an interesting element. It reacts in contact with both oxygen and water, and several sodium salts are used to produce a yellow color in fireworks. The metallic form has limited uses in chemistry, and is too soft and reactive to be used as a buil ...more
Now, I know what you're thinking... "I need an extra sexy coffee table that is like no other." OK, Maybe not. Maybe you're thinking, "I need a conversation starter that doesn't have to do with economic injustice, Left/Right political paradigms or health insurance. I need it ...more