More broadly does this mean computing can exist out in the electromagnet spectrum without all the hardware? If it can create an analog computer, it can create digital representations. Hmmm Excerpt:
Sculpted Wi-Fi Waves Can Turn Your Whole Office Into a Computer
New Scientist (Excerpt) Technical.
Leah Crane
Researchers at the Langevin Institute and the GreenerWave startup in France have found that Wi-Fi waves, if bounced around a room in a precise and controlled manner, can be used as an "analog computer" to perform complex calculations. Such a system could execute in one step what a traditional computer would require many steps to accomplish. For example, to know what two plus five is, the system creates a wave representing two, and sends it through a medium that modulates in a manner corresponding to adding five, so at the end the wave represents seven. The researchers demonstrated the concept with a more complicated type of calculation called matrix multiplication, in which the wave is bounced off specially designed panels before sending it through ordinary air. During testing, the resulting computations were correct more than 96% of the time. ... "
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