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15:38 Phys.orgImage: Aircraft nose dome assessed in ESA Hertz chamber (1)

ESA test facilities can test more than just space hardware: here, the 2.0m-diameter nose of an Airbus A340 aircraft is seen in ESA's Hertz chamber, undergoing radio-frequency testing.

14:44 TechnologyReview.comHow to turn the complex mathematics of vector calculus into simple pictures (1)

Feynman diagrams revolutionized particle physics. Now mathematicians want to do the same for vector calculus.