Which of your favorite sci-fi tech seems achievable in a reasonable timeframe, say 100 years?
Which of your favorite sci-fi tech seems achievable in a reasonable timeframe, say 100 years?
Which of your favorite sci-fi tech seems achievable in a reasonable timeframe, say 100 years?
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Tricorders, cellphones are already partway there they just need more durable, small sensors like a handheld light spectrometer to tell what things are made of and a handheld interferometer to detect gravity
Check out the app Phyphox, it uses all your existing sensors and probably surpasses tricorders in several ways while, of course, lacking in a few others.
I can detect gravity without a device:
Jump off a roof. If you hit the ground, you've detected gravity.
You could just raise your arm and let it loose...