by Alfred Poor | September 12, 2017 | Enabling Tech, General News
Nearly all our electricity comes from mechanical energy; a flow of liquid or gas passes a propeller or similar device, which spins magnets in a coil of wire to produce an electrical current. This is the basic technology behind hydroelectric, coal, gas, nuclear, and...
by Alfred Poor | November 10, 2015 | General News, Medical
Between 6 and 12 million children suffer from head lice infestations every year in the U.S. alone. They spread through direct contact (lice and their eggs die within a day or two if they fall on the ground), so it’s common for them to affect children in...