Pengarang: Dale Ferguson

Ecclesiastes 12:12 says, ‘Of making many books there is no end, and much study wearies the body’ (NIV). Is this just one more book? Maybe not. It could be like no other study and commentary. It is al …

PV has traditionally been used for electric power in space. Solar panels on spacecraft are usually the sole source of power to run the sensors, active heating and cooling, and communications. Photovo …