Gyrotron Drilling Feasibility Analysis, Drilling holes in rock with microwaves
On Twitter(x) there are many odd things. Someone says they can make a mm-wave gyrotron powerful enough to drill a 20 cm diameter hole into the earth at 20 meters per hour for 25.5 days. That would be 20*(25.5*24) = 12.24E3 meters. The total volume is pi*(0.2)^2*12.24E3 = 1538.1237632 meter^3. In the development, they mention
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