Hot Science Experiments Posts
News: 2009's Most Amazing Hubble Space Telescope Images
Mind blowing cosmos art, seen through the lens of the Hubble telescope. Click through to Discovery News for more information behind these beautiful images.
How To: Make sulfuric acid - electrochemically
You already know how to make sulfuric acid with the metabisulfite and oxidizer method and you saw how to make copper sulfate from copper and sulfuric acid, so now try making sulfuric acid with these two in mind… with sulfuric acid by electrolysis of copper using an inert anode.
How To: Make ice cream in under a minute with liquid nitrogen
Systm is the Do-It-Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. In this episode, you'll learn how to make ice cream in udder a minute, using the wonders of liquid nitrogen. (You will also learn how to do this safely, so you don't risk giving your fingers a case of instant frostbite.)
How To: Make high voltage "air threads" with dry ice and water
In this video tutorial, you'll learn how to create a very weird effect using a thin layer of fog made with warm water and dry ice. As the demonstrator moves his hands over the fog, he is able to scribble eerie lines through it. Even if you don't plan to try this yourself, the video is definitely worth a look.
How To: Build a Winogradsky Column
The Winogradsky column, invented by Sergei Winogradsky, is a device for culturing a large diversity of microorganisms. Pond mud and water are mixed into a column using carbon sources like newspapers and sulfur sources like egg yolks. Left in the sun for a few months, the column becomes a colony rich with microorganisms, bacteria, cyanobacteria, and algae. In this video, scientist Karen Dodson shows you how to make your own.
How To: Do colorful electrolysis
No, colorful electrolysis has got nothing to do with zapping the hair off of a punk rocker's head. Electrolysis of water, according to Wikipedia, is "the decomposition of water (H2O) into oxygen (O2) and hydrogen gas (H2) due to an electric current being passed through the water." In this video, you'll watch in amazement as a young scientist colorful electrolysis to transform ordinary water into a psychedelic display.
How To: Make your own ocean in a bottle
In this tutorial by Shooting Eggs, you'll learn how to create your own "ocean in a bottle". The supplies are very simple and cheap, probably stuff you've already got around the house. But the finished effect is pretty impressive.
How To: Make your own slime with polymers
You need a whole lot of disgusting green goo in a hurry. What do you do? Don't panic. This video tutorial will show you how to make buckets of your own slime easily and cheaply, using just Borax detergent and Elmer's Glue.
How To: Make slime for kids
Any time is the right time for slime! In this video tutorial, you'll learn how to whip up a nauseating glop of green goo. It's actually a remarkably simple process, requiring just a few basic steps and materials you probably already have around the house. So get to work, and then get sliming!
How To: Set candy canes on fire
How many times have you tried to set fire to candy canes, only to watch in sad frustration as they melt into sticky blobs. We've all been there, right?
How To: Make green luminescent phosphorescent glow powder
It's a stormy winter night, and you're electricity goes out. You could grab some candles to add a little light to your life, or you could use glow-in-the-dark chemicals for a cool luminescent.
News: Man Spies Spacewalking Astronauts With Backyard Telescope
Apparently a little amateur astronomy can go a long way. On March 21, 2009, Ralf Vandebergh, sitting in his backyard, pointed his 10 inch telescope at the sky and "saw a few bright pixels appear precisely where the work was going on at exactly the moment it was being conducted." A few bright pixels = an astronaut!
How To: Make a bottle disappear before your eyes
This simple experiment will have you rubbing your eyes in disbelief. Make a glass bottle disappear with a lot of glycerin and another glass cup. The results are pretty astonishing. This is a fun experiment to try for yourself, or show off to other people.
How To: Purify aluminum nitrate by recrystallization
There's a few reasons why you might want to purify chemicals by recrystallization, but the best one could be luminescence glow-in-the-dark dust.
News: 2009's Most Amazing Scientific Images
Popsci has posted 2009's most amazing scientific images, and there's quite a few great ones in there. A few of our favorites below, click through for all 62.
News: Ew. Livestream of Patient's Brain Being Sliced. Watch Now.
Neuroscience (live!) resumes its 50 hour slicing session 8:00 am PST this morning. According to Gizmodo,
How To: Make aluminum nitrate nonahydrate
Aluminum nitrate nonahydrate is a crystalline hydrate - a salt of aluminum and nitric acid - Al(NO3)3·9H2O. It's used for a variety of things such as antiperspirants, corrosion inhibitors, and petroleum refining, or… glow-in-the-dark powder. Watch this science video tutorial from Nurd Rage on how to make aluminum nitrate nonahydrate with Dr. Lithium.
News: Bomb-Proof Your Home With Wallpaper
Incredible. A company called Berry Plastics (in partnership with the U.S. Army Corps of Engineers) has developed a working bomb proof wallpaper. The technology has the ability to protect against both natural disasters and warfare.
How To: Make a permanent, reusable glow stick
Make a reusable glow stick, glow-in-the-dark-style! Imagine, you'll never have to buy one of those ChemLite's again, because you can reuse this homemade glow stick over and over again. This video tutorial will show you how to make a permanent, reusable glow stick. The materials in this experiment are simple: epoxy resin, straw, and some phosphor powder.
How To: Make europium and dysprosium nitrate salts
This is chemistry at its best! Europium is the chemical element (Eu) which was named after Europe. Dysprosium (Dy) is a rare earth element of a metallic silver luster. Watch this science video tutorial from Nurd Rage on how to make europium and dysprosium nitrate salts with Dr. Lithium.
How To: Grow a crystal garden
A crystal garden is something that not everyone has. Grow a crystal garden for a science project, or grow it to add a hint of magic to your own herbal or vegetable garden. Show it off to friends and family. Watch this video to learn how to grow a crystal garden for your personal use.
How To: Make a desiccator bag for drying chemicals
Watch this science video tutorial from Nurd Rage on how to make a desiccator bag for drying chemicals with Dr. Lithium.
How To: Find chemicals for science experiments
Watch this science video tutorial from Nurd Rage on how to find chemicals for science experiments with Dr. Lithium.
How To: Compare regular ice with liquid nitrogen-cooled ice
Watch this science video tutorial from Nurd Rage on how to compare regular ice with liquid nitrogen-cooled ice with Dr. Lithium.
How To: Make strontium nitrate
Watch this science video tutorial from Nurd Rage on how to make strontium nitrate. They show you how to make strontium nitrate from strontium carbonate and nitric acid.
How To: Make sodium silicate from drain cleaner and gel beads
Watch this science video tutorial from Nurd Rage on how to make sodium silicate from drain cleaner and gel beads with Dr. Lithium.
How To: Perform three cool science experiments
Watch this science video tutorial from Nurd Rage on how to perform three cool science experiments with Dr. Lithium. Follow the vid and you'll now have more than one example of an investigatory project!
How To: Lower electrical resistance with liquid nitrogen
Watch this science video tutorial from Nurd Rage on how to lower electrical resistance with liquid nitrogen with Dr. Lithium.
How To: Make thunder in a test tube with ethanol & acetone
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
News: Freaky Cornstarch Speakers Explained
The beautiful ectoplasmic dance of the cornstarch speaker monster is finally elucidated. In addition to being captivated by its eerily vibrant dance, you can now understand exactly why it happens, thanks to Collin Cunningham from MAKE. He gives a great explanation of cymatics - the study of visible sound and vibration. Check out this amazing hi-def sonic cornstarch sculpture from WonderHowTo's very own WonderDude Mike:
How To: Determine enthalpy in the hydration of MgSO4
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
News: Bloodless Virtual Autopsies Nab Criminals
Virtual autopsies are the wave of the future in forensic medicine, using three-dimensional x-ray techniques instead of hacking through a mess of blood and guts. The Virtual Autopsy Table allows the cause of death to be determined quickly to aid in criminal investigations. Amazing - straight out of Bones or CSI.
How To: Make a 100 foot glow stick with Dr. Lithium
Watch this science video tutorial from Nurd Rage on how to make a 100 foot glow stick with Dr. Lithium.
News: Eyeballs Can Now Control a Cell Phone
Yep, just what the headline says. Believe it or not, NTT DoCoMo has showed off "a set of prototype in-ear headphones that can detect and measures changes in the body's electrical state when your eyes move." Forget voice activation, eye gesture recognition is the thing of the future. Image.
How To: Make Hot Ice (Sodium Acetate) Using Baking Soda & Vinegar
Watch this science video tutorial from Nurd Rage on how to make hot ice with Dr. Lithium. This is the complete guide to making hot ice, more correctly called sodium acetate. See how to create it, fix it, and use it. All methods from baking soda and vinegar to laboratory synthesis are shown.
News: LED Wand + RIFD Waves = Awesome Science Art
Using a combination of technology and animation techniques, two students at the Oslo School of Architecture and Design have created a visual model of RFID fields.
News: Electrocute an Innocent Pickle
MIT scientist explains OLEDs by electrocuting a pickle. From Gizmodo:
News: NASA to Bomb the Moon (For Real)
No joke. This is not an Onion headline. This coming Friday, October 9th, NASA is actually planning on bombing the moon in search for water. The missile, a Centaur rocket, will blast off from Cape Canaveral, Florida, aiming at the moon's South Pole. Scientists will then analyze the debris from the explosion for traces of water ice or vapor.
How To: Make "instant cappuccino" with permanganate
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
How To: Make "elephant toothpaste" with hydrogen peroxide
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.