China has revealed a new biomimetic underwater drone with a transparent, jellyfish-like body designed for stealth ...

According to the researchers, the approach uses what they call a “fingerprint matrix,” which is a mathematical description of the way each object uniquely scatters waves such as light or ultrasound.

These Columbus streets have the most cars running into businesses © 2025 American City Business Journals. All rights reserved. Use of and/or registration on any ...

Abstract: Human physiological signals play a crucial role in the fields of health assessment, sports medicine, and human–computer interaction. However, human vibration signals exhibit a wide frequency ...

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