hydropower dam Engineering Environment 

Are Hydropower Dams the Future of Energy?

By Emily Folk @EmilySFolk Growing concerns about fossil fuels—especially their potential contributions to pollution and global warming—have individuals and governments around the globe looking for alternative sources of power. Hydropower is one of the oldest sources of electricity, already responsible for generating around 52 percent of the United States’ renewable electricity generation according to the National Hydropower Association. Hydroelectric dams are seen as some of the best options available. However, there are challenges that hydropower will need to overcome—otherwise, they may prevent the energy source’s widespread adoption. Current state of…

Read More
Engineering Physics STEM Education 

The Simple Machines in Your Life

Simple machines allow us to do more work with less effort. In this episode, Sophie explains what simple machines are and how we use them to make our lives easier every day. Get to know your friendly neighborhood inclined plane, lever, wedge, and a head of lettuce and join Sophie in a fun science experiment. Fun with simple machines With a few items from around the house, you can join Sophie in a fun science experiment. Here at Science Connected, we love inexpensive kitchen science experiments! To do Sophie’s experiment…

Read More
Bioelectronic “Nose” Sniffs Out Food Spoilage Biology Engineering 

Bioelectronic “Nose” Sniffs Out Rotten Food

Does that food smell rotten? Researchers have developed a way to detect rotten food odors that are too faint for the human nose. By Emily Rhode One whiff of spoiled meat is usually enough to let us know that we should definitely not eat it. But what about those leftovers that have been in the refrigerator for a few days and still smell ok? We could throw them away out of an abundance of caution, but that becomes an expensive and wasteful practice. Or we could cross our fingers and…

Read More