Now on bbc news, click. This week, lara is feeling the pressure. In her eyes. And if those eyes are feeling the cold, how about some anti fog sunglasses . Talking of headwear, heres a 3d Printerfit for a queen. And when is Elephant Ivory not from an elephant . When its from a 10,000 year old fossil. Chris has the tech to tell the difference. If you were just handed that, could you tell . No. Not immediately. Yep. Its going to be a mammoth show. Martin those of us who wear glasses know exactly how annoying it can be when they fog up. Everything goes somewhere. So here comes the technical bit. Condensation occurs when Water Vapour from your sweat, breath or the environment around you lands on a cold surface. As it cools, it changes into tiny drops of liquid, forming a film that looks a bit like fog. So how do you stop this . You could use a spray or a lens cloth. This could help for a little while, but what if there was a more permanent solution . Lenses are relatively cool compared to y
To get through. The hamas run Health Ministry says at least 26 people un secretary general Antonio Guterres has released a message demanding the Immediate And Unconditional Release of hostages by hamas as October 7th approaches. Meantime anti war protests are under way around the world hundreds of thousands of people calling for an end to violence. Now on bbc news. Click. This week, lara is feeling the pressure. In her eyes. And if those eyes are feeling the cold, how about some anti fog sunglasses . Talking of headwear, heres a Sd Printerfit for a queen. And when is Elephant Ivory not from an elephant . When its from a 10,000 year old fossil. Chris has the tech to tell the difference. If you were just handed that, could you tell . No. Not immediately. Yep. Its going to be a mammoth show. Martin those of us who wear glasses know exactly how annoying it can be when they fog up. Everything goes somewhere. So here comes the technical bit. Condensation occurs when Water Vapour from your sw
Frequency is a fundamental concept when you're talking about waves, whether that means electromagnetic waves like radio waves and visible light, or mechanical vibrations like sound waves.
Frequency is a fundamental concept when you're talking about waves, whether that means electromagnetic waves like radio waves and visible light, or mechanical vibrations like sound waves.