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Interesting Engineering on MSN3d
How much radiation is too much? Less than you think
From cosmic rays to CT scans, radiation surrounds us but not all exposure is dangerous. Here’s how to separate fact from fear ...
How airports like Heathrow and Gatwick could help aliens spot Earth
Radar systems used by civilian airports and military operations are inadvertently revealing our existence to potential ...
NASA’s SPHEREx Is Mapping the Infrared Universe in 102 Colors – And It’s All Public
SPHEREx is scanning the entire sky in 102 infrared colors, beaming weekly data to a public archive so scientists and citizen ...
Healthline1d
UVA vs. UVB Rays: What’s the Difference? - Healthline
Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.
IEEE6d
An Innovative Parallel Feeding Approach to Eliminate Radiation ...
The inverted-F antenna with a parasitic branch (IFA&PB) is widely used in metal-bezel smartphones. Typically, the primary IFA branch is directly fed, while the parasitic branch is excited via ...