CONCLUSION: If shear forces exist at a cross section of a beam, then shear stresses must develop in the beam as it deflects in order to satisfy the requirements for the E-B theory. A magnified copy of ...

An international team of researchers have observed a phenomenon called virtual melting in colloidal crystals. They studied how it helps enable changes from one crystalline structure to another ...

Multiple crew failures and wind shear led to January crash of B-1 bomber, Air Force says. In this 2005 photo, a B-1 bomber takes off from Ellsworth Air Force Base in South Dakota.