Top network posts

• 106 Why does the speed of a ping pong ball increase when the space in which it can bounce decreases?
• 93 Is electricity really the flow of electrons or is it more involved?
• 78 Is there any way for a gas to pass through a solid metal?
• 43 How exactly did engineers come to the final design of jets like the F-16 or SR-71?
• 36 Is there an example of a classic aviation engineering moment when engineers had to discard all their work due to the wrong approach?
• 35 If centrifugal force is a pseudo-force then why we can observe its effects outside of rotating frame?
• 28 How do people prototype circuits without getting shocked?
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