“There is not a single ‘should give’ or ‘guess’ about it. Sun power is now a fact, and is no longer in the ‘beautiful possibility’ stage. It can compete profitably with coal in the true tropics now.” —Frank Shuman, American engineer and solar energy pioneer, 1913 In 1515, Leonardo da Vinci made sketches of […]
1. Never mind jokes about changing light bulbs. When spiders put their collective mind to it, they can pull down 8-foot long fluorescent light fixtures. In Baltimore, at least. 2. That’s not surprising when we consider spider silk as a prototype for synthetic muscle. 3. In fact, it turns out that the screenwriters […]
When violent unrest broke out in Ferguson Aug.9 and several ensuing days after the police killing of a young unarmed black man, Gerald Early made the analogy to the 1964 Philadelphia race riot.