Matt Ferrell - Undecided with Matt Ferrell

Matt Ferrell lives in the Boston area and is a UI/UX designer by trade, but has always been obsessed by technology and how it works. In 2018 he started his YouTube channel, Undecided with Matt Ferrell, where he explores sustainable and smart technologies like EVs, solar panels, and smart homes.

Website

A solar cell next to a chemical bonds cube

Energy Production

Why Waiting for Perovskite Solar Isn’t Worth It (Solar 3.0)

Perovskite solar cells could hit 35% efficiency and cost half as much as silicon, but they’re still years away from your roof. Meanwhile, ...

By Jon Okun1 week ago0

Matt Ferrell stood in front of his house in the snow

Smart Home

Geothermal vs Air Source Heat Pump: Which is Worth It?

What if the most efficient way to heat and cool your home…might not actually be the best choice for you? Geothermal heat pumps ...

By Matt Ferrell2 weeks ago0

Someone holding a small flywheel in both hands

Energy Storage

How 40-Ton Spinning Wheels Are Saving the Power Grid

When Spain’s power grid failed on April 28th, 2025, it quickly became a very serious issue. Not only for the economic impacts, but ...

By Jon Okun3 weeks ago0

Chunk of aluminum next to a battery cell

Energy Storage

Why Aluminum Batteries Could Beat Lithium

Your lights just flickered. Not for long. Just a split second. You probably didn’t think much about it, but somewhere a battery may ...

By Heather HunspergerFebruary 10, 20260

Matt Ferrell in front of an outside heat pump

Tech

Why Everyone Gets Heat Pumps Wrong

If you believe half of what you hear about heat pumps, you’d think they’re a $20,000 scam that stops working the second it ...

By Vincent M.February 3, 20260

Energy Storage

Are Sodium Batteries Already Dead?

NOTE: An earlier version of this story incorrectly associated the failure of Northvolt to their sodium ion battery production issues, but their challenges ...

By Jon OkunJanuary 27, 20260