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What if you used a microwave as a snowblower? xkcd's What If?

Created by Gregor A. • Published on July 5, 2026

What if you used a microwave as a snowblower? xkcd's What If?: original: https://www.youtube.2com/2shorts/DDNMLh1I_jY --- Inputs & Constants ---…

Calculations

# original: https://www.youtube.2com/2shorts/DDNMLh1I_jY

# --- Inputs & Constants ---
energyToMeltSnow = 335 J / g
snowDepthInWater = 1 inch
pathWidth = 9 feet
drivingSpeed = 55 mi / h
densityOfWater = 1 g / cm ^ 3

# --- Calculations ---
# Volumetric flow rate of water being melted per second
volumeRateOfWater = pathWidth * snowDepthInWater * drivingSpeed

# Mass of water/snow being melted per second
massRateOfSnow = volumeRateOfWater * densityOfWater

# Total power required to melt the snow
requiredPower = massRateOfSnow * energyToMeltSnow to megawatt
# Result: ~574 megawatts [00:00:56]

# --- Comparisons & Flamethrower Mileage ---
aircraftCarrierReactor = 200 megawatt
reactorsNeeded = requiredPower / aircraftCarrierReactor
# Result: ~3 reactors [00:01:06]

flamethrowerMileage = 17 feet / gallon