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but even if the threat is over and it's not at all clear that saturday's turn around was, in fact, the end, what did the flash of descent do to russia itself, not the government or security services but the people. what message did russians get over the weekend? what did they see when yevgeny prigozhin's tanks move toward the capital? what did they feel when his troops reportedly shot down several russian helicopters? that's according to ukraine's air force. what did they hear when vladimir putin called prigozhin a traitor and compared his threat to 1917. we're going to ask masha ges...

The Delaware Department of Natural Resources and Environmental Control announced the temporary closure of the final 145 feet of the Cape Henlopen State Park fishing pier for annual structural analysis.

As recovered the black box on the mothership, and the royal canadian mounted police are investigating. there are multiple international investigations underway here, much of the focus is going to be whether the ceo of this company, whether he ignored the warnings that the hull, which was made of carbon fiber, that it was simply potentially too vulnerable to the extreme crushing depths of the ocean. there were many engineers who warned him that this was not safe. he proceeded anyway. he declined to do an outside engineering review. as the investigators look at everything that happened here and ...

Focused on the mini' sub's uncertified cheaper carbon fiber shell never before used in deep sea submersibles. titanic movie director and ocean explorer james cameron says that decision may have proved fatal. >> you know, sometimes people get go fever but you shouldn't be using an experimental vehicle for paying passengers that aren't themselves deep ocean engineers. >> reporter: in 2018 oceangate founder stockton rush submitted this patent application disclosing the carbon fiber was for use in extreme conditions such as high pressure conditions, high or low temperature conditions. >> i'd like ...

Máy rửa tay tự động không tiếp xúc có cấu tạo cực kỳ đơn giản, từ sự kết hợp “2 trong 1” các thiết bị đo thân nhiệt tự động và thiết bị phun xịt gel tự động. Đặc biệt, máy hoạt động nhờ hệ thống pin năng lượng mặt trời nên giúp tiết kiệm điện năng, t