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How To: The Complete Guide on How to Build a Crystal Radio—Plus How They Work

There's a lot that goes into making a nice crystal radio set, so this is going to have to be broken down into two parts. The first part is the actual making of a functional radio, and the second part is making the whole arrangement look nice. In this part, I'm actually going to tell you more than just how to make a crystal radio, but I'm also going to explain how and why they work. Crystal radios are pretty Steampunk in and of themselves, since they were first developed in the late 19th centu...

How To: Siri Has 15 New Skills for iPhone That Even Siri Haters Will Love

Unlike most of Apple's other apps and services, it's not always obvious when Siri gets new features. Even if you're an avid Siri user, there's no way you can catch them all, especially when half of them aren't even mentioned by Apple anywhere. But that's what we're here for, and this is everything you need to know about Siri in the latest group of features.

How To: 18 MagSafe Accessories That Are a Perfect Match for Your New iPhone 12 or 12 Pro

If you're getting or already have a new iPhone 12 or 12 Pro, its big-ticket feature is MagSafe, something you'll definitely want to explore. While the technology is new to iPhone, Apple used the MagSafe name for its magnetic charging connectors on older MacBook models until USB-C replaced it. Apple's reenvisioning of MagSafe for iPhone is completely different and much more useful.

Android 10 Changelog: 60 New Features You Should Know About

|Choose Your View: Quick Bullet Points | Detailed Descriptions Android's newest major update is a special one — it's the tenth full version of the world's most commonly used operating system. The latest release, dubbed simply Android 10 (codename Android Q), was first showcased as a beta back in March 2019, so we've been digging around in it for several months. There's one dramatic visual change, plus there are a lot of goodies in general.

How To: 16 Harry Potter Spells for Siri That Turn Your iPhone into a Magical Elder Wand

Your days as an ordinary Muggle are over — as long as you have an iPhone. With just a word or two, you can use your iPhone and newfound Muggle-born powers to cast spells or utilize charms just like Harry Potter and team. Only your "wand" is from Apple, not Ollivanders in Diagon Alley.

News: Everything We Know About the iPhone 13 (or iPhone 12S) Lineup for 2021 — Leaks, Rumors & More

The iPhone doesn't stop at last year's excellent iPhone 12 lineup. Apple's been developing its iPhone 13 models for a while now, and there are a lot of rumors already with eight or nine months still to go until a release. This year, we're expecting four new models with similar sizes and features to 2020's offerings. If you want to know what makes the 2021 iPhones so different, we've got answers.

How To: Make chemical stalagmites

Check out this science experiment video on how to chemical stalagmites. Chemist Chris Schrempp (star high school teacher and author of the book Bangs, Flashes, and Explosions) walks host Chris Hardwick through the process of making chemical stalagmites and some cool exothermic reactions similar to hand warmers.

How To: Clamp glassware to an apparatus in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

News: Pentagon Funds Real Life Spider-Man Technology

Chemical engineers at Cornell have created a small device that may one day turn troops into real life spider-men. The device would cradle in the palm of the hand, allowing troops to scale walls. It uses an adhesive inspired by the Floridian leaf beetle, an insect that "can adhere to leaves with power 100 times stronger than its own body weight".

How To: Turn your brown grass green again without chemicals

Is your lawn looking a little grim lately? Well, no need to reach for toxic chemicals, check out this clip instead! In this tutorial, gardening specialist, Carl Grimm, shows you how to fix your lawn naturally and avoid all that yucky stuff that harms kids and pets. Follow along and go green (literally!) with your front yard for summer! Turn your brown grass green again without chemicals.

How To: Get rid of fleas using no chemicals

In this video tutorial, we learn how to get rid of fleas at home without using chemicals. One way to do this is to chop up 6-8 lemons and let them sit in hot water overnight. After the evening, pour the juice into a spray bottle and spray it onto your pet's fur, which will keep fleas away. You can also take cedar bedding and spread it around their bedding area, which will repel fleas as well. Also, on your carpet you can make a mixture of 4 parts borax and 1 part salt and spread into your car...

How To: Perform thin layer chromatography in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Use a Dean Stark apparatus in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Perform simple distillation in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Perform vacuum distillation in the chemistry lab

Vacuum Distillation is a distillation carried out at reduced The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource t...

How To: Perform fractional distillation in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Perform steam distillation in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Distill a volatile product in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Dry an organic solution in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Perform hot filtration in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Perform proper vacuum filtration in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Perform infrared spectroscopy in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Measure melting points in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Perform simple reflux in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...

How To: Perform reflux with addition in the chemistry lab

The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...