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Based on the current understanding of general relativity, it is possible that curving spacetime in the back of a spacecraft would allow for faster-than-light travel. In general relativity, the curvature of spacetime is determined by the universe's distribution of matter and energy. If a...


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Hello, I am using VNA with ifbw=3KHz span 10MHz to 70GHZ step 10MHz.
I am measuring differential lines SDD11 for TDR uding IFFT.
If my IFFT TDR windows is 100ns then an event in 120ns will go to -20ns thus will create causality issue.
Anothe cause I know is deembeding creating ringing ,but i...


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3I/ATLAS, also known as C/2025 N1 (ATLAS) and formerly designated as A11pl3Z, is an iinterstellar comet. It was discovered by the

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TL;DR: I’ve just completed my Class 11 exams and I’m planning to prepare for IPMAT to get into IIM Indore’s Integrated Program in Management.

I’ve just completed my Class 11 exams and I’m planning to prepare for IPMAT to get into IIM Indore’s Integrated Program in Management. Which...


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I draw a series of images of the problem situation. In (a), the first ball in green is (just) dropped at time ##t=0##. In (b), the second ball in red is dropped at time ##t=2\;\text{s}##. In (c), the first ball rebounds after a total time of falling down ##t_d##. At this position...


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