Steve Spangler Science

Heartbleed Security Vulnerability Fixed   •   Get 2 Free Sick Science! Kits   •   Free Experiments by Email

On Monday we learned about a vulnerability in the encryption technology that effects most of the internet, called Heartbleed. Our team grabbed their lab coats and leaped into action to patch the vulnerability on our site.

We are happy to announce is no longer vulnerable.

While we believe we have kept out all the bad guys, we want to make sure our customer's information is safe. We are requiring that all of our customers change their password for their accounts on

To do so, click the link below and enter in the email address associated with your account. Once you receive an email to that account, follow the simple instructions to reset your password.

Reset your password -

If you have any questions on password resetting, please call our Customer Service team and they will be happy to help you. 1-800-223-9080

If you have any questions about the vulnerability please email

As this did effect most of the internet, we also recommend that you change your passwords on all of the websites you visit.

Thank you for being an amazing customer!

-- The Team

Questions? Give us a Call: 1-800-223-9080

How Much is a Kilowatt?

Electricity used at any moment is measured in watts.

Submit A Review

Electricity used at any moment is measured in watts. It only makes sense that a 100-watt bulb uses 100 watts of electricity. A desktop computer uses about 65 watts and a central air conditioner uses about 3,500 watts. Since all of the watts add up quickly, the term kilowatt is used to represent 1000 watts. To understand how much energy you're using you also have to consider how long you run your appliances. When you use 1000 watts for an hour, that's a kilowatt-hour. The key is to reduce the number of kilowatt hours you use each month in order to save money and our natural resources... and a teacher in New York has a clever idea.

Print Experiment


Electricity is usually measured in kilowatt-hours (kWh). One kWh represents the amount of energy needed by a 1000-Watt device such as a clothes-iron or a microwave oven to operate for one hour. Leaving a 100-watt light bulb on for 10 hours consumes 1 kilowatt (kWh) of energy. According to the Organization of American States' Office of Sustainable Development, the average American household uses about 10,000 kWh yearly. Electric utilities typically charge their customers by the kilowatt hour, and the rate tends to fluctuate over time, and it also varies dramatically by region. In the United States, for example, the average residential cost of a kilowatt hour is between 8 and 10 cents. Check your latest utility bill to find out what you're paying per kilowatt hour.

Ken Luna, a science teacher in New York, had a great idea. What if every student in the United States replaced one standard 60 watt bulb with a Compact Fluorescent bulb? Ken believes that this simple, inexpensive action will help fight global warming by reducing our carbon emissions from electric power plants, save Americans AT LEAST 2.3 BILLION dollars in electricity costs, and help put America on the path to environmental sustainability. Learn more about Mr. Luna's Bright Idea.

Write Your Own Review

You're reviewing: How Much is a Kilowatt?

How do you rate this experiment? *
1 star 2 stars 3 stars 4 stars 5 stars