Word: problem
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Dates: during 1970-1979
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...unclear whether Senator Dole will pursue his cult hearings any further. Nor has Congress given any clue as to whether it will consider legislation to attack either the questionable religious groups, or the strong-arm tactics being used against them. There is always that little problem of squaring any such attacks with the First Amendment...
...doctor, Mason shuttles cannily from pawky humor to utter bewilderment. He steals the picture, and if Holmes has any sense, he will remain blind to the theft. This delightful pair should be employed again in a more credible adventure than Murder by Decree. Conan Doyle suggests one in The Problem of Thor Bridge: "That of Isadora Persano, the well-known journalist and duellist, who was found stark staring mad with a matchbox in front of him which contained a remarkable worm said to be un known to science...
Einstein had enormous powers of concentration. When the wind died down while he was out sailing, he would whip out his notebook and do his calculations. Stymied by a thorny problem, he would tell his colleagues in accented English, "Now I will a little tink," pace slowly up and down, while twirling a lock of his unruly hair, or perhaps puff on his pipe, then suddenly erupt in a smile and announce a solution. Interrupted by parades of visitors to his Mercer Street house, he could resume his work almost as soon as they stepped out of his second-floor...
...causes it to give off electrons. (This phenomenon makes possible a host of today's electronic gadgetry, ranging from electric-eye devices to TV picture tubes and solar panels for spacecraft.) In this paper Einstein borrowed from a theory by German Physicist Max Planck, who had solved a vexing problem about the radiation of heat and light from hot objects by proposing that this radiant energy is carried off or absorbed in tiny packets, or quanta. Planck himself was dissatisfied with the theory, believing it contrary to nature, but Einstein enthusiastically seized it. He introduced the very revolutionary idea that...
...idle hours: When I have no special problem to occupy my mind, I love to reconstruct proofs of mathematical and physical theorems that have long been known to me. There is no goal in this, merely an opportunity to indulge in the pleasant occupation of thinking...