Proponents of the bill, currently before Congress, say collecting taxes from online sales should be relatively simple for retailers. But with close to 10,000 tax jurisdictions around the country, some online businesses say collecting the taxes and navigating potential problems will be a costly burden.
For centuries, explorers tried to find la Ciudad Blanca, a fabled city in the rain forests of Central America. Dense jungle impeded efforts to uncover it. Douglas Preston tells the story of a team who used light detection technology to survey the iconic ruins from the air.
The almost entirely plastic weapon fires .22-caliber bullets. Critics fear it will make such guns too easy to make and too hard to detect. The designers say it's already possible to make your own firearms and that they're just creating another way.
Today is May 4, unofficially known as Star Wars Day — seemingly for the lone reason that it presents an opportunity for people to tell one another, "May the Fourth be with you." Fans of the George Lucas films are breaking out costumes and photos, and generally letting their Jedi flag fly.
Miniaturizing technology is really hard — gears, rotors, belts and pistons that work perfectly at human size just don't work very well at the small scale. So researchers are turning to insects for ideas about how to make tiny flying robots and cameras — and driving a new generation of gadgets.
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