Ainissa Ramirez is a scientist, author, and a self-proclaimed science evangelist. She is the creator of a podcast series called Science Underground. She joins Hari to discuss how satellite cameras made by NASA became the cameras in our cell phones.

In this episode of SciTech Now, discover how to grow coral; learn which NASA level technology exists on our cell phones; explore fashion forward science, and dive into the science of the perfect beer.

Today, cell phones, Wi-Fi and Bluetooth signals can be a risky two way street, offering hackers and malicious intruders’ pathways to invade our digital lives. Up next, cyber security experts explain why they think we need to be more diligent about protecting ourselves from digital invaders.