Inside a 2w tcp led gu10 lamp.
A look inside a TCP branded 2W GU10 LED lamp. Quite a neat lamp with the front lens retaining ring…
Alkaline battery capacity tests.
After a discussion with some friends about how poor the quality was of some "high profile" brands of alkaline cells…
Unexpected source of a rechargeable lithium cell.
Now that electronic cigarettes have reached the point where you can buy a complete disposable one in pound shops (dollar…
A look inside a lithium battery cell.
I took apart a dead electronic cigarette and found the internal 140mAh lithium cell was completely flat so I decided…
Test video. camera upload.
A quick test to see if a short video recorded on my phones "selfie" camera will upload to YouTube OK.…
A look at the insides of a public toilet ozone generator.
Here in the UK they sometimes use low output ozone generators in public toilets to reduce odours instead of just…