‘Tractor beams’ of light that pull objects towards them are no longer science fiction. Scientists have now demonstrated how a tractor beam can in fact be realized on a small scale. 'Tractor beams' of ...

San Francisco's new Salesforce Transit Center, not even two months old, shut down Tuesday after a crack was discovered in one of the steel beams and will remain closed at least through the end of next ...

2. Distributed Forces (Trapezoidal Distribution). 3. Point Bending Moments. 4. Distributed Bending Moments (Trapezoidal Distribution). When an element has more than one load type acting upon it, the ...

Using light to attract objects is a much explored topic for almost a century. Perhaps you’ve tuned in to an episode of Star Trek in which characters use a “tractor beam” that could pull space ships ...