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Want to put your neighbors to shame this Halloween? Pimp your pumpkin with a miniature smoke machine. A modified e-cigarette can create a surprising amount of fog, giving your carving an extra eerie touch.

Start with a type of e-cig called a clearomizer, available online or at your local vape shop. It has a refillable chamber that you can load with the “fog juice” used in standard smoke machines. Inside, a wick draws the liquid past a wire coil heated by a battery, where it’s vaporized. Normally, a person sucks this vapor into his or her mouth, but the smoke machine needs a way to push the fog out. An aquarium air pump attached to the battery end will do the trick.

Unfortunately, a sealed connector between the battery and the chamber blocks airflow through the e-cigarette. Ditch the battery and put a hole through the connector by replacing its solid central pin with a hollow pin from an unsealed connector (sold on websites such as MadVapes). By attaching this to a new power supply-—a universal AC adapter is convenient—you can feed both air and electricity to your device. Then use its smoke for a spooky effect.

How to Make the Mini Smoke Machine

What You’ll Need Popular Science

Time: 3 Hours

Cost: $90

Difficulty: Moderate


• Clearomizer and battery

• Sharp pin or needle

• Fog juice (one part glycerin to three parts distilled water)

• Red and black wires

• E-cig battery connector with hole

• Universal AC adapter set to about 5V

• Aquarium air pump and tubing

• Tape


1. Unscrew the clearomizer‘s chamber and battery case from its metal base. Run a pin or needle through the center of the base, then remove it. Fill the chamber with fog juice and screw it back to the base.

2. Break the battery case to separate the metal connector. Taking care not to touch the wires and create a short circuit, cut away the battery. Then clean out the connector, removing and discarding the circuit board, any plastic pieces, the o-ring, and the central metal pin.

3. Solder the black wire, which will ground the device, to this connector.

4. Now take the unsealed connector and remove its o-ring and central pin. Solder the red wire to the pin, being careful not to block the hole. This will be the positive lead.

5. Insert the o-ring and the unsealed pin into the original battery connector. Screw the modified connector onto the base of the clearomizer.

6. Run the aquarium tubing up the red wire until it reaches the battery connector. Tape it securely in place so no air can escape. Snip a slit in the tubing and pull out the end of the red wire. Seal the slit with hot glue and secure with tape.

7. Attach the loose end of the tubing to the aquarium pump. Tape the free ends of the red and black wires into the positive and negative holes in the AC adapter. Turn on the power, then the air, and watch the smoke pour out!


If you don’t like e-cigs, go low-tech. Push several nails into the floor of your jack-o’-lantern and place a small foil pie tin on them, with a few tea candles beneath. When you pour a little fog juice into the tin, the candles will heat and vaporize the liquid. This setup can’t control the fog like the modified e-cigarette can, but the effect should be equally impressive.

This article originally appeared in the October 2014 issue of Popular Science.

Pumpkin Elements Sam Kaplan

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How To Create A Django Form With Examples

Introduction to Django Forms

For a web application, creating forms is a critical capability; These forms act as the key source through which the user keyed-in input enters into the application. This user-keyed-in input could be further validated and processed in a precise manner. These are among the key capabilities in form processing. Django offers a classified set of methods for formulating the form entities.

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How to Create a Django Form?

The step to Create a Django form is explained below:

1. Create a chúng tôi file in the application

The chúng tôi file is similar to chúng tôi all fields used in the form will be declared here under a form class.

chúng tôi

from django import forms class Valueform(forms.Form): user = forms.CharField(max_length = 100) 2. Create a View for The Form

A Django view method is created for the form in the chúng tôi file. An object for the form class is created here. This object is used as a value for the context dictionary in the template rendering.

chúng tôi

from django.shortcuts import render from chúng tôi import  HttpResponse from Django_app1.forms import Valueform defform_view(request_iter): form = Valueform() return  render(request_iter,'Form_Handeling.html', {"form": form}) 3. Formulate an HTML file for displaying the form

An HTML file must be created in the templates directory to display the form. Here the file is template tagged using the below tag. Here “as_p” is used for better designing of the form elements. The {% csrf_token %} line attests to the internal security verification performed by django.


{{ form.as_p }} {% csrf_token %}

4. Tag the view in chúng tôi file

This is the process of creating a url for the view.

Import the library from chúng tôi import URL



from django.contrib import admin from chúng tôi import url from Django_app1 import views urlpatterns = [ url(r'^$',views.index,name='index'), url(r'formpage/',views.form_view,name='form'), url(r'admin/',, ]

All Form Fields Available in Django Forms

Form fields available in django forms are as given below:

Field type Django form field type HTML output Description Django Widget

Boolean forms.BooleanField() Creates a Boolean field forms.widgets.CheckboxInput()

Boolean forms.NullBooleanField() Very similar to Boolean fields but also allows unknown value forms.widgets.NullBooleanSelect()

Text forms.CharField() Creates a simple character field forms.widgets.TextInput()

Text forms.EmailField() Creates a field for email Input forms.widgets.EmailInput()

Text forms.GenericIPAddressField() Allows insertion of the IP address forms.widgets.TextInput()

Text forms.RegexField( regex=’regular_expression’) A basic character field, but here validation happens on the server side forms.widgets.TextInput()

Text forms.SlugField() A basic character field that allows only lowercase values to be entered forms.widgets.TextInput()

Text forms.URLField() Allows insertion of url forms.widgets.URLInput()

Text forms.UUIDField() A basic character field but server side, the django validates whether the values are convertible to a UUID(Universal unique ID) forms.widgets.TextInput()

Text forms.ComboField(fields=[field_type#1,field_type#2]) Works just like CharField, Heredjango form fields are enforced with data pass rules on the server side. forms.widgets.TextInput()

Text forms.MultiValueField(fields=[field_type#1, field_type#1]) Allows creating form fields in a custom manner. forms.widgets.TextInput()

Text  / Files forms.FilePathField( path=’directory’) This field is used for holding the path of the directory forms.widgets.Select()

Files forms.FileField() Creates a field through which the user can attach a file to the form forms.widgets.ClearableFileInput()

Files forms.ImageField() Creates a field through which the user can attach an image to the form forms.widgets.ClearableFileInput()

Date/time forms.DateField() It works like a basic character field, but the django setup validates whether the inserted value is of Date format on the server end. (e.g. 2023-11-23, 11/23/20). forms.widgets.DateInput()

Date/time forms.TimeField() It works like a basic character field, but the django setup validates whether the inserted value is of time format on the server end.  (e.g. 15:41:32, 11:44). forms.widgets.TextInput()

Date/time forms.DateTimeField() It works like a basic character field, but the django setup validates whether the inserted value is of datetime format on the server end.  (e.g. 2023-11-15 12:30:59, 11/15/20 13:30). forms.widgets.DateTimeInput()

Date/time forms.DurationField() It works like a basic character field, but on the server end, the django setup validates whether the inserted value is to be converted to time delta. forms.widgets.TextInput()

Number forms.IntegerField() <input type=” number” On the server end, django verifies whether the input field is a valid integer. forms.widgets.NumberInput()

Number forms.DecimalField() <input type=” number” On the server end, django verifies whether the input field is a valid decimal. forms.widgets.NumberInput()

Number forms.FloatField() <input type=” number” On the server end, django verifies whether the input field is of float type. forms.widgets.NumberInput()

The chúng tôi file below contains several among the form mentioned above fields declared and executed as an application.

chúng tôi

#-*- coding: utf-8 -*- from django import forms class Valueform(forms.Form): first_name = forms.CharField(max_length = 100) last_name = forms.SlugField() gender = forms.BooleanField() Ip = forms.GenericIPAddressField() file = forms.FileField() department = forms.ChoiceField(choices = (('1','CSE'),('2','IT'),('3','ECE'),('4','EEE')))


Processing Form Fields in View

The value entered in the form fields can be captured and processed  using the below form handling code in the view method for the form

chúng tôi

from django.shortcuts import render from chúng tôi import HttpResponse from Django_app1.forms import Valueform def form_view(request_iter): form = Valueform() if request_iter.method == "POST": value = Valueform(request_iter.POST) if value.is_valid(): print("First Name: ",value.cleaned_data['first_name']) print("First Name: ",value.cleaned_data['last_name']) return render(request_iter,'Form_Handeling.html', {"form": form})

So when a ‘POST’ is submitted, the value associated with the POST request is captured into an object by referring to the form class declared in chúng tôi The value keyed from the field is captured using the cleaned_data[] argument of this object and the name of the corresponding field. In this example, the captured value is printed onto the console. In real-time cases, further processing will be done to these values, like DB storage or server validation.


Recommended Articles

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Pensacola With A Purpose: An Asb Diary

Part Three of a five-part series.

Wednesday, March 8, 2006

Wednesday gets off to a bad, bad start.

The morning is typical — a frantic rush to get breakfast eaten, lunches made, and everybody out the door on time. We arrive at the site and the first two jobs are easy, thanks to our new expertise: we clear a patch of weeds from a telephone pole and we tear down a rotted porch at the back of a trailer.

Then the plywood arrives.

Our job, we learn, is to lay down new plywood walls and floors throughout the wrecked trailer, using four hammers, two crowbars, a circular saw and a gas generator, and moldy eight-by-four slabs that have been donated from an amusement park in Washington, D.C. It’s about 9:30, and we’re supposed to finish at noon. Unlikely, we think, and even more unlikely as we watch Daryl, our coordinator from Rebuilding Northwest Florida, get ready to leave. Katie flags him down and asks if we could maybe have a tape measure and a pencil.

Cursing isn’t allowed on site, because we are, after all, representing Boston University, but much of it is done internally. We don’t have any nails. We don’t know if we are supposed to remove the linoleum from the kitchen before laying the plywood floor. And only two people in our crew have used a circular saw before, and neither of them feels particularly expert.

But the good thing about RNF, we’ve discovered, is that when you have to, you get to make your own rules. And luckily, Vernon Doucette, a photographer for BU Photo Services, who arrived on Tuesday to shoot pictures for BU Today and Bostonia, has some ideas about rules to get us through the day. It so happens that Vernon is a serious kayaker and a former Outward Bound instructor. Also, we are pleased to learn, he’s a pretty good construction manager.

The orders begin: sweep up everything off the floor or the plywood won’t lie even. Bring two pieces inside and then measure how much you need to cut. Wear goggles when you use a circular saw. At first, he goes back and forth between shooting and sawing, but eventually, he hands the camera over to Karen and dives full-force into the project. We set down the living room floor — or Vernon, Dan, and Katie do, fitting the pieces together like a jigsaw puzzle — and two-thirds of the bedroom. We don’t get to the walls or the living room, but Daryl doesn’t seem to mind. We are finished by 12:30.

Kendrick, a group leader, feels responsible for the morning’s confusion, and in the van on the way home, she apologizes. No big deal. At this point, everybody is thinking about lunch and our afternoon at the beach.

But the waves, which are enormous, feel amazing; Amy, Katie, Dan, Matt, and I spend nearly an hour diving through them. Vernon takes a well-deserved lunch break and comes back to snap pictures of us getting knocked around by six-foot swells. The images, I think, would make a good news headline: Boston University students drown — photographer captures it all.

We’re not sure what we’ll be doing tomorrow. It might be demolition, or it might be back to today’s trailer to finish the floors and walls. We’ve got our fingers collectively crossed for the former, but if we go back to today’s site at least we’ll be better off than where we started.

Read Part Four

Read more Alternative Spring Breaks stories.

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Meta Report: Secondhand Hardware A ‘Risk E

Through 2005, the secondhand server market will account for less than 5 percent of installed production platforms. In a buyer’s market, as server platforms become more commoditized, they become easily substituted; therefore, secondhand value will deteriorate nearer to 35 percent to 40 percent compounded (from about 25 percent) per year.

However, the secondhand market will pressure server vendors to reduce margins and increase discounts as platforms become less differentiable. Likewise, the inventory of computer scrap is becoming more of an issue for vendors. Purchase decisions for electronic devices are increasingly influenced by environmental concerns.

In Germany, for example, legislation has been enacted that forces computer manufacturers to recycle existing equipment when upgrading a customer to new systems. In many companies worldwide, waste disposal and resource preservation issues are being made high priorities. We expect component recycling and reuse to become more of a manufacturer’s legal requirement and this, too, will increase the cost of goods and erode margins.

From 2002, despite the global economic recovery, we do not expect hardware prices to recover or the secondhand market to be an attractive proposition for production platforms.

We believe users should not consider the secondhand market for production systems, because this will have negative warranty, maintenance, and service-level impact, as well as increased costs. Although discounts may initially look attractive, users must balance potential savings against increased risks and opportunity costs. These include difficulty in finding particular configurations or current product lines, and unpredictable time-to-in-service-deployment (due to shipping, reinstallation, and vendor certification).

We recommend targeting any savings toward improving infrastructure planning and developing more unified (e.g., replicable) platforms and services, thereby minimizing future integration and life-cycle costs. However, legitimate refurbished or resold hardware from the vendor or its channels is a viable option.

The following is a summary checklist of the potential savings from street prices and the levels of risk from different channels of the secondhand hardware. These are:

Refurbished platforms from the manufacturer: Using traditional ex-demo or evaluation (refurbished) hardware is a good way of saving. The technology may not be the hottest from the manufacturer (almost always it’s the previous season’s stock), but some savings can be had. Additionally, complex projects that require a consistent platform deployed to many sites during a set time frame will require a level of consistency not provided by the piecemeal availability of refurbished hardware. However, point-project or development platforms can only be fulfilled using this source if a full warranty is provided.

In-channel used inventory with reseller warranty: In-channel inventory returned to a dealer or distributor is fine if not opened! However, any other condition moves the warranty from the manufacture to the dealer on a case-by-case basis with the dealer or distributor. This secondhand market should not be encouraged, as users will be too exposed to the dealer’s support without necessary escalation to the manufacturer.

Brokerage with limited warranty: A secondhand dealer will not be able to support the platforms at all, even though upfront costs may be attractive. Brokers should not be considered for infrastructure platforms.

Auction with hardware at reduced book value: A limited sale or return warranty may be available from the auction house, but the risk associated with this as a source of secondhand hardware is too high.

Cold call from brokerage “one-off offer”: These offers by cold call that appear too good to be true are. Clients should not consider this as a source of secondhand platforms.

Infrastructure planning and development staff should assist traditional finance procurement departments in assessing the cost of the secondhand hardware. A glut of nearly new hardware is available on the market that looks attractive to finance departments (compared to new), but several issues must be considered when using secondhand hardware for production platforms. These are:

E-business fit: The rules for secondhand platforms align to the e-business platform layers. Too much risk is associated with secondhand hardware for production database and application server platforms. Extreme caution must be used for commoditized Web servers. In-house development systems are a legitimate target for secondhand hardware has long as the management and risk is addressed by the developer community or infrastructure operations.

Mechanical devices – storage and printers: The nearly new disk tape and printer market may appear lucrative, but the sheer nature of these devices is purely mechanical. No easy way of tracking previous use exists.

Non-transferable warranty: Infrastructure is not like a car! The warranty is generally not transferable from dealership to dealership or owner to owner. Therefore, any secondhand hardware must be from a legitimate channel. Risk-takers using secondhand hardware in production environments will be exposed to unsupported infrastructure with invalid warranties that offset potential savings.

Service levels and maintenance, risk reduction: Non-maintained or out-of-warranty hardware is at high risk when setting service-level agreements. The client’s support channel will not set support levels on illegitimate hardware, and non-declaration will invalidate any support contract. This will also affect any legitimate hardware and software licenses from the vendor in client infrastructure portfolios.

It is natural that finance departments will be attracted to secondhand hardware savings. But to expect them to select the best-used platforms and best fit for infrastructure layers from the best source is unrealistic. Infrastructure developers must assist finance departments in selecting the equipment and determining the true overall cost.

Business Impact:In general, users should not consider the secondhand hardware market for production systems. They should, however, leverage the surplus in the resale channel to strengthen their hardware platform negotiations. Vendors’ surpluses and refurbishments with full warranty can be considered for internal or development systems.

Bottom Line: The initial savings of secondhand hardware is offset by the cost of integration and maintenance (including hidden opportunity costs).

Philip Dawson is a consultant for META Group, an IT consulting firm based in Stamford, Conn.

How To Create A Logo With Ai In 60 Seconds

In today’s fast-paced world, time is of the essence. When it comes to creating a logo for your business, waiting for days or even weeks for a designer to deliver might not be an ideal option. That’s where AI comes in to revolutionize the logo design process. With AI-powered logo generators, you can now create a professional logo for your business in just 60 seconds. In this article, we will guide you through the process of creating a logo using AI, ensuring you have a stunning design that represents your brand perfectly.

Also Check: The Future of Free AI Image Upscalers: Trends to Watch

Before diving into the logo creation process, make sure you have the latest version of the Edge browser installed on your device. You can download it from the official Microsoft website.

To begin the logo creation process, you’ll need to describe your business and provide some logo ideas. Think about your business’s core values, target audience, and the message you want your logo to convey. Additionally, specify the style or colors you prefer for your logo. This information will help the AI generate relevant logo options for you.

Based on the ideas you provided, the AI will generate a selection of logos for you to choose from. Take your time to review the options and select the one that best aligns with your brand identity. If you have a specific style or color scheme in mind, you can mention it in the logo prompt to narrow down the choices.

Yes, the logos created by AI are unique. The algorithms analyze a vast database of design elements and combine them in various ways to create distinct logos. However, it’s important to note that as these platforms become more popular, there is a possibility of similarities between certain designs. To ensure uniqueness, you can customize the generated logo to add a personal touch.

Absolutely! The AI-generated logo is yours to use for commercial purposes. Once you’ve created and customized your logo, you have full ownership of the design and can use it for branding, marketing materials, websites, social media, and more.

If none of the initial logo options resonate with your vision, you can always go back and generate new ideas. Try providing additional details in the logo prompt or experimenting with different styles and colors until you find a logo that suits your needs.

Yes, you can make changes to the AI-generated logo even after saving it. Simply revisit the editing interface, select the saved logo, and modify it according to your preferences. The flexibility to customize your logo ensures that you can fine-tune it until it meets your exact requirements.

Yes, the AI-powered logo generator is optimized for the Edge browser. By using the latest version of Edge, you can ensure a seamless experience while creating and customizing your logo. It’s recommended to download and install Edge for the best results.

Creating a logo has never been easier, thanks to the power of AI. In just 60 seconds, you can generate a professional and unique logo for your business using AI-powered logo generators. By following the step-by-step guide provided in this article, you can harness the capabilities of AI to create a logo that reflects your brand identity and captivates your target audience. Say goodbye to lengthy design processes and hello to the future of logo creation with AI.

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Create A Gmail Desktop App With These 3 Email Clients

In spite of the massive boom that is social media, whether for work or leisure, email is still an often used way of keeping in touch with others and managing your busy day. None more so than those who plant themselves in front of a computer all day, be it at work or home. 

Even though, when it comes to reading emails, you’re more likely to have your eyes glued to a mobile device, the computer still holds an important role. This is especially true when dealing with multiple email accounts.

Table of Contents

A PC is actually more convenient for email multitasking than a mobile phone. The issue with a PC that makes email reliance less desirable is having to deal with the varying interfaces of each email service. 

The built-in Google web interface of Gmail is definitely one such service that could use some improvements. Luckily for you, Windows 10 provides plenty of viable alternatives for a Gmail desktop app.

Create a Gmail Desktop App With These 3 Email Clients

The three email clients below are some of the best you can find for a Windows 10 Gmail desktop app. We’ve decided not to add the Windows 10 Mail app to the list as we much prefer these other options. Each one has been designed primarily for Gmail in mind even though they will still work for other email services as well.

There are two options when it comes to an account: Mailbird Personal which costs $14.50 per year or a one time payment of $59 and Mailbird Business valued at $24.50 annually. It is also available for free, known as Mailbird Lite, with less of the additional features. This is automatically chosen for you after the free trial period has ended without selecting one of the other two payment tiers.

Once downloaded, launch the installer and proceed through the installation process.

The initial window will ask for an email account to add where you’ll need to enter the name and email address of the account.

Once Mailbird locates the account, you’ll receive a similar window:

Here you can select your preferred layout and color theme.

Next, a window to connect your favorite apps:

Then one that asks if you’d like to add more any more accounts:

Once finished, you can then either activate your free trial of Mailbird Business, or if already purchased, input the received activation code.

Another feature-rich addition to the list would have to be eM Client. It is a well-established email client which has been around for more than a decade. The UI is clean and very familiar to those who have used Microsoft Outlook. 

eM Client comes with a unique sidebar that will help you save a lot of time. The features include communication history, attachment history, agenda list, and chat. Gmail desktop integration is relatively quick and simple and the setup takes very little time at all.

Home use is available for free but is capped at two email accounts max. The free version is rather limited so if you need additional features, they offer a premium version at a one-time cost of $50. 

You’ll then need to login through the Gmail web app after which it will prompt you to open eM Client.

Depending on how much information is in need of being moved over, the synchronization process could take some time. You can still use eM Client while waiting for the syncing process to complete.

Multitasking and managing multiple Gmail accounts is incredibly simple with Thunderbird. It supports many add-ons and extensions to help with these tasks. If you’re looking for an email client that continues to evolve and would make a great Gmail desktop app, Thunderbird should be a name to remember.

A configuration should be found for the email address you entered.

Next, you’ll need to choose what information to integrate into Thunderbird from your Gmail account. You can choose to have it sync everything each time you login. Afterwards, you can begin enjoying Thunderbird.

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