A few decades ago, camera companies added rare elements like thorium to their glass to change the optical properties in desirable ways. The downside? Well, it made the lenses somewhat radioactive. A ...
A few decades ago, camera companies added rare elements like thorium to their glass to change the optical properties in desirable ways. The downside? Well, it made the lenses somewhat radioactive. A ...
He neared the counter to the glass of the instrument and got no audible ... but if clicks become frequent it means you are near a radioactive source). My friend opened the instrument in order ...
The polls look good for Harris — and the Trump campaign just told on itself ‘God Will Help Us Through Anything': In Final Interview Before Their Untimely Deaths, The Nelons Reflect on Their ...